201666760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 508032000

約数和(自身を除く): 306365240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 83, 92, 95, 115, 139, 152, 166, 184, 190, 230, 278, 332, 380, 415, 437, 460, 556, 664, 695, 760, 830, 874, 920, 1112, 1390, 1577, 1660, 1748, 1909, 2185, 2641, 2780, 3154, 3197, 3320, 3496, 3818, 4370, 5282, 5560, 6308, 6394, 7636, 7885, 8740, 9545, 10564, 11537, 12616, 12788, 13205, 15272, 15770, 15985, 17480, 19090, 21128, 23074, 25576, 26410, 31540, 31970, 36271, 38180, 46148, 52820, 57685, 60743, 63080, 63940, 72542, 76360, 92296, 105640, 115370, 121486, 127880, 145084, 181355, 219203, 230740, 242972, 265351, 290168, 303715, 362710, 438406, 461480, 485944, 530702, 607430, 725420, 876812, 1061404, 1096015, 1214860, 1326755, 1450840, 1753624, 2122808, 2192030, 2429720, 2653510, 4384060, 5041669, 5307020, 8768120, 10083338, 10614040, 20166676, 25208345, 40333352, 50416690, 100833380, 201666760]

約数ペア:

[(1, 201666760), (2, 100833380), (4, 50416690), (5, 40333352), (8, 25208345), (10, 20166676), (19, 10614040), (20, 10083338), (23, 8768120), (38, 5307020), (40, 5041669), (46, 4384060), (76, 2653510), (83, 2429720), (92, 2192030), (95, 2122808), (115, 1753624), (139, 1450840), (152, 1326755), (166, 1214860), (184, 1096015), (190, 1061404), (230, 876812), (278, 725420), (332, 607430), (380, 530702), (415, 485944), (437, 461480), (460, 438406), (556, 362710), (664, 303715), (695, 290168), (760, 265351), (830, 242972), (874, 230740), (920, 219203), (1112, 181355), (1390, 145084), (1577, 127880), (1660, 121486), (1748, 115370), (1909, 105640), (2185, 92296), (2641, 76360), (2780, 72542), (3154, 63940), (3197, 63080), (3320, 60743), (3496, 57685), (3818, 52820), (4370, 46148), (5282, 38180), (5560, 36271), (6308, 31970), (6394, 31540), (7636, 26410), (7885, 25576), (8740, 23074), (9545, 21128), (10564, 19090), (11537, 17480), (12616, 15985), (12788, 15770), (13205, 15272)]