1898578880

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:323

約数の個数: 224

約数和(自身を含む): 5168627712

約数和(自身を除く): 3270048832

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 127, 137, 155, 160, 176, 220, 248, 254, 274, 310, 320, 341, 352, 440, 496, 508, 548, 620, 635, 682, 685, 704, 880, 992, 1016, 1096, 1240, 1270, 1364, 1370, 1397, 1507, 1705, 1760, 1984, 2032, 2192, 2480, 2540, 2728, 2740, 2794, 3014, 3410, 3520, 3937, 4064, 4247, 4384, 4960, 5080, 5456, 5480, 5588, 6028, 6820, 6985, 7535, 7874, 8128, 8494, 8768, 9920, 10160, 10912, 10960, 11176, 12056, 13640, 13970, 15070, 15748, 16988, 17399, 19685, 20320, 21235, 21824, 21920, 22352, 24112, 27280, 27940, 30140, 31496, 33976, 34798, 39370, 40640, 42470, 43307, 43840, 44704, 46717, 48224, 54560, 55880, 60280, 62992, 67952, 69596, 78740, 84940, 86614, 86995, 89408, 93434, 96448, 109120, 111760, 120560, 125984, 135904, 139192, 157480, 169880, 173228, 173990, 186868, 191389, 216535, 223520, 233585, 241120, 251968, 271808, 278384, 314960, 339760, 346456, 347980, 373736, 382778, 433070, 447040, 467170, 482240, 539369, 556768, 629920, 679520, 692912, 695960, 747472, 765556, 866140, 934340, 956945, 1078738, 1113536, 1259840, 1359040, 1385824, 1391920, 1494944, 1531112, 1732280, 1868680, 1913890, 2157476, 2696845, 2771648, 2783840, 2989888, 3062224, 3464560, 3737360, 3827780, 4314952, 5393690, 5567680, 5933059, 6124448, 6929120, 7474720, 7655560, 8629904, 10787380, 11866118, 12248896, 13858240, 14949440, 15311120, 17259808, 21574760, 23732236, 29665295, 30622240, 34519616, 43149520, 47464472, 59330590, 61244480, 86299040, 94928944, 118661180, 172598080, 189857888, 237322360, 379715776, 474644720, 949289440, 1898578880]

約数ペア:

[(1, 1898578880), (2, 949289440), (4, 474644720), (5, 379715776), (8, 237322360), (10, 189857888), (11, 172598080), (16, 118661180), (20, 94928944), (22, 86299040), (31, 61244480), (32, 59330590), (40, 47464472), (44, 43149520), (55, 34519616), (62, 30622240), (64, 29665295), (80, 23732236), (88, 21574760), (110, 17259808), (124, 15311120), (127, 14949440), (137, 13858240), (155, 12248896), (160, 11866118), (176, 10787380), (220, 8629904), (248, 7655560), (254, 7474720), (274, 6929120), (310, 6124448), (320, 5933059), (341, 5567680), (352, 5393690), (440, 4314952), (496, 3827780), (508, 3737360), (548, 3464560), (620, 3062224), (635, 2989888), (682, 2783840), (685, 2771648), (704, 2696845), (880, 2157476), (992, 1913890), (1016, 1868680), (1096, 1732280), (1240, 1531112), (1270, 1494944), (1364, 1391920), (1370, 1385824), (1397, 1359040), (1507, 1259840), (1705, 1113536), (1760, 1078738), (1984, 956945), (2032, 934340), (2192, 866140), (2480, 765556), (2540, 747472), (2728, 695960), (2740, 692912), (2794, 679520), (3014, 629920), (3410, 556768), (3520, 539369), (3937, 482240), (4064, 467170), (4247, 447040), (4384, 433070), (4960, 382778), (5080, 373736), (5456, 347980), (5480, 346456), (5588, 339760), (6028, 314960), (6820, 278384), (6985, 271808), (7535, 251968), (7874, 241120), (8128, 233585), (8494, 223520), (8768, 216535), (9920, 191389), (10160, 186868), (10912, 173990), (10960, 173228), (11176, 169880), (12056, 157480), (13640, 139192), (13970, 135904), (15070, 125984), (15748, 120560), (16988, 111760), (17399, 109120), (19685, 96448), (20320, 93434), (21235, 89408), (21824, 86995), (21920, 86614), (22352, 84940), (24112, 78740), (27280, 69596), (27940, 67952), (30140, 62992), (31496, 60280), (33976, 55880), (34798, 54560), (39370, 48224), (40640, 46717), (42470, 44704), (43307, 43840)]