1388897960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1607}}^1$

素因数の和:1707

約数の個数: 128

約数和(自身を含む): 3501066240

約数和(自身を除く): 2112168280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 41, 62, 68, 82, 85, 124, 136, 155, 164, 170, 205, 248, 310, 328, 340, 410, 527, 620, 680, 697, 820, 1054, 1240, 1271, 1394, 1607, 1640, 2108, 2542, 2635, 2788, 3214, 3485, 4216, 5084, 5270, 5576, 6355, 6428, 6970, 8035, 10168, 10540, 12710, 12856, 13940, 16070, 21080, 21607, 25420, 27319, 27880, 32140, 43214, 49817, 50840, 54638, 64280, 65887, 86428, 99634, 108035, 109276, 131774, 136595, 172856, 199268, 216070, 218552, 249085, 263548, 273190, 329435, 398536, 432140, 498170, 527096, 546380, 658870, 846889, 864280, 996340, 1092760, 1120079, 1317740, 1693778, 1992680, 2042497, 2240158, 2635480, 3387556, 4084994, 4234445, 4480316, 5600395, 6775112, 8169988, 8468890, 8960632, 10212485, 11200790, 16339976, 16937780, 20424970, 22401580, 33875560, 34722449, 40849940, 44803160, 69444898, 81699880, 138889796, 173612245, 277779592, 347224490, 694448980, 1388897960]

約数ペア:

[(1, 1388897960), (2, 694448980), (4, 347224490), (5, 277779592), (8, 173612245), (10, 138889796), (17, 81699880), (20, 69444898), (31, 44803160), (34, 40849940), (40, 34722449), (41, 33875560), (62, 22401580), (68, 20424970), (82, 16937780), (85, 16339976), (124, 11200790), (136, 10212485), (155, 8960632), (164, 8468890), (170, 8169988), (205, 6775112), (248, 5600395), (310, 4480316), (328, 4234445), (340, 4084994), (410, 3387556), (527, 2635480), (620, 2240158), (680, 2042497), (697, 1992680), (820, 1693778), (1054, 1317740), (1240, 1120079), (1271, 1092760), (1394, 996340), (1607, 864280), (1640, 846889), (2108, 658870), (2542, 546380), (2635, 527096), (2788, 498170), (3214, 432140), (3485, 398536), (4216, 329435), (5084, 273190), (5270, 263548), (5576, 249085), (6355, 218552), (6428, 216070), (6970, 199268), (8035, 172856), (10168, 136595), (10540, 131774), (12710, 109276), (12856, 108035), (13940, 99634), (16070, 86428), (21080, 65887), (21607, 64280), (25420, 54638), (27319, 50840), (27880, 49817), (32140, 43214)]