278318670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:366

約数の個数: 128

約数和(自身を含む): 785866752

約数和(自身を除く): 507548082

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 67, 70, 105, 131, 134, 151, 201, 210, 262, 302, 335, 393, 402, 453, 469, 655, 670, 755, 786, 906, 917, 938, 1005, 1057, 1310, 1407, 1510, 1834, 1965, 2010, 2114, 2265, 2345, 2751, 2814, 3171, 3930, 4530, 4585, 4690, 5285, 5502, 6342, 7035, 8777, 9170, 10117, 10570, 13755, 14070, 15855, 17554, 19781, 20234, 26331, 27510, 30351, 31710, 39562, 43885, 50585, 52662, 59343, 60702, 61439, 70819, 87770, 98905, 101170, 118686, 122878, 131655, 138467, 141638, 151755, 184317, 197810, 212457, 263310, 276934, 296715, 303510, 307195, 354095, 368634, 415401, 424914, 593430, 614390, 692335, 708190, 830802, 921585, 1062285, 1325327, 1384670, 1843170, 2077005, 2124570, 2650654, 3975981, 4154010, 6626635, 7951962, 9277289, 13253270, 18554578, 19879905, 27831867, 39759810, 46386445, 55663734, 92772890, 139159335, 278318670]

約数ペア:

[(1, 278318670), (2, 139159335), (3, 92772890), (5, 55663734), (6, 46386445), (7, 39759810), (10, 27831867), (14, 19879905), (15, 18554578), (21, 13253270), (30, 9277289), (35, 7951962), (42, 6626635), (67, 4154010), (70, 3975981), (105, 2650654), (131, 2124570), (134, 2077005), (151, 1843170), (201, 1384670), (210, 1325327), (262, 1062285), (302, 921585), (335, 830802), (393, 708190), (402, 692335), (453, 614390), (469, 593430), (655, 424914), (670, 415401), (755, 368634), (786, 354095), (906, 307195), (917, 303510), (938, 296715), (1005, 276934), (1057, 263310), (1310, 212457), (1407, 197810), (1510, 184317), (1834, 151755), (1965, 141638), (2010, 138467), (2114, 131655), (2265, 122878), (2345, 118686), (2751, 101170), (2814, 98905), (3171, 87770), (3930, 70819), (4530, 61439), (4585, 60702), (4690, 59343), (5285, 52662), (5502, 50585), (6342, 43885), (7035, 39562), (8777, 31710), (9170, 30351), (10117, 27510), (10570, 26331), (13755, 20234), (14070, 19781), (15855, 17554)]