163818565540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{110609}}^1$

素因数の和:110845

約数の個数: 96

約数和(自身を含む): 401381568000

約数和(自身を除く): 237563002460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 149, 284, 298, 355, 497, 596, 710, 745, 994, 1043, 1420, 1490, 1988, 2086, 2485, 2980, 4172, 4970, 5215, 9940, 10430, 10579, 20860, 21158, 42316, 52895, 74053, 105790, 110609, 148106, 211580, 221218, 296212, 370265, 442436, 553045, 740530, 774263, 1106090, 1481060, 1548526, 2212180, 3097052, 3871315, 7742630, 7853239, 15485260, 15706478, 16480741, 31412956, 32961482, 39266195, 54972673, 65922964, 78532390, 82403705, 109945346, 115365187, 157064780, 164807410, 219890692, 230730374, 274863365, 329614820, 461460748, 549726730, 576825935, 1099453460, 1153651870, 1170132611, 2307303740, 2340265222, 4680530444, 5850663055, 8190928277, 11701326110, 16381856554, 23402652220, 32763713108, 40954641385, 81909282770, 163818565540]

約数ペア:

[(1, 163818565540), (2, 81909282770), (4, 40954641385), (5, 32763713108), (7, 23402652220), (10, 16381856554), (14, 11701326110), (20, 8190928277), (28, 5850663055), (35, 4680530444), (70, 2340265222), (71, 2307303740), (140, 1170132611), (142, 1153651870), (149, 1099453460), (284, 576825935), (298, 549726730), (355, 461460748), (497, 329614820), (596, 274863365), (710, 230730374), (745, 219890692), (994, 164807410), (1043, 157064780), (1420, 115365187), (1490, 109945346), (1988, 82403705), (2086, 78532390), (2485, 65922964), (2980, 54972673), (4172, 39266195), (4970, 32961482), (5215, 31412956), (9940, 16480741), (10430, 15706478), (10579, 15485260), (20860, 7853239), (21158, 7742630), (42316, 3871315), (52895, 3097052), (74053, 2212180), (105790, 1548526), (110609, 1481060), (148106, 1106090), (211580, 774263), (221218, 740530), (296212, 553045), (370265, 442436)]