408239360

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:368

約数の個数: 144

約数和(自身を含む): 1053649296

約数和(自身を除く): 645409936

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 73, 80, 85, 128, 136, 146, 160, 170, 256, 257, 272, 292, 320, 340, 365, 514, 544, 584, 640, 680, 730, 1028, 1088, 1168, 1241, 1280, 1285, 1360, 1460, 2056, 2176, 2336, 2482, 2570, 2720, 2920, 4112, 4352, 4369, 4672, 4964, 5140, 5440, 5840, 6205, 8224, 8738, 9344, 9928, 10280, 10880, 11680, 12410, 16448, 17476, 18688, 18761, 19856, 20560, 21760, 21845, 23360, 24820, 32896, 34952, 37522, 39712, 41120, 43690, 46720, 49640, 65792, 69904, 75044, 79424, 82240, 87380, 93440, 93805, 99280, 139808, 150088, 158848, 164480, 174760, 187610, 198560, 279616, 300176, 317696, 318937, 328960, 349520, 375220, 397120, 559232, 600352, 637874, 699040, 750440, 794240, 1118464, 1200704, 1275748, 1398080, 1500880, 1588480, 1594685, 2401408, 2551496, 2796160, 3001760, 3189370, 4802816, 5102992, 5592320, 6003520, 6378740, 10205984, 12007040, 12757480, 20411968, 24014080, 25514960, 40823936, 51029920, 81647872, 102059840, 204119680, 408239360]

約数ペア:

[(1, 408239360), (2, 204119680), (4, 102059840), (5, 81647872), (8, 51029920), (10, 40823936), (16, 25514960), (17, 24014080), (20, 20411968), (32, 12757480), (34, 12007040), (40, 10205984), (64, 6378740), (68, 6003520), (73, 5592320), (80, 5102992), (85, 4802816), (128, 3189370), (136, 3001760), (146, 2796160), (160, 2551496), (170, 2401408), (256, 1594685), (257, 1588480), (272, 1500880), (292, 1398080), (320, 1275748), (340, 1200704), (365, 1118464), (514, 794240), (544, 750440), (584, 699040), (640, 637874), (680, 600352), (730, 559232), (1028, 397120), (1088, 375220), (1168, 349520), (1241, 328960), (1280, 318937), (1285, 317696), (1360, 300176), (1460, 279616), (2056, 198560), (2176, 187610), (2336, 174760), (2482, 164480), (2570, 158848), (2720, 150088), (2920, 139808), (4112, 99280), (4352, 93805), (4369, 93440), (4672, 87380), (4964, 82240), (5140, 79424), (5440, 75044), (5840, 69904), (6205, 65792), (8224, 49640), (8738, 46720), (9344, 43690), (9928, 41120), (10280, 39712), (10880, 37522), (11680, 34952), (12410, 32896), (16448, 24820), (17476, 23360), (18688, 21845), (18761, 21760), (19856, 20560)]