246552020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1$

素因数の和:522

約数の個数: 144

約数和(自身を含む): 650344464

約数和(自身を除く): 403792444

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 26, 34, 44, 52, 55, 65, 68, 85, 110, 121, 130, 143, 170, 187, 220, 221, 242, 260, 286, 340, 374, 442, 461, 484, 572, 605, 715, 748, 884, 922, 935, 1105, 1210, 1430, 1573, 1844, 1870, 2057, 2210, 2305, 2420, 2431, 2860, 3146, 3740, 4114, 4420, 4610, 4862, 5071, 5993, 6292, 7837, 7865, 8228, 9220, 9724, 10142, 10285, 11986, 12155, 15674, 15730, 20284, 20570, 23972, 24310, 25355, 26741, 29965, 31348, 31460, 39185, 41140, 48620, 50710, 53482, 55781, 59930, 65923, 78370, 86207, 101420, 101881, 106964, 111562, 119860, 131846, 133705, 156740, 172414, 203762, 223124, 263692, 267410, 278905, 329615, 344828, 407524, 431035, 509405, 534820, 557810, 659230, 725153, 862070, 948277, 1018810, 1115620, 1120691, 1318460, 1450306, 1724140, 1896554, 2037620, 2241382, 2900612, 3625765, 3793108, 4482764, 4741385, 5603455, 7251530, 9482770, 11206910, 12327601, 14503060, 18965540, 22413820, 24655202, 49310404, 61638005, 123276010, 246552020]

約数ペア:

[(1, 246552020), (2, 123276010), (4, 61638005), (5, 49310404), (10, 24655202), (11, 22413820), (13, 18965540), (17, 14503060), (20, 12327601), (22, 11206910), (26, 9482770), (34, 7251530), (44, 5603455), (52, 4741385), (55, 4482764), (65, 3793108), (68, 3625765), (85, 2900612), (110, 2241382), (121, 2037620), (130, 1896554), (143, 1724140), (170, 1450306), (187, 1318460), (220, 1120691), (221, 1115620), (242, 1018810), (260, 948277), (286, 862070), (340, 725153), (374, 659230), (442, 557810), (461, 534820), (484, 509405), (572, 431035), (605, 407524), (715, 344828), (748, 329615), (884, 278905), (922, 267410), (935, 263692), (1105, 223124), (1210, 203762), (1430, 172414), (1573, 156740), (1844, 133705), (1870, 131846), (2057, 119860), (2210, 111562), (2305, 106964), (2420, 101881), (2431, 101420), (2860, 86207), (3146, 78370), (3740, 65923), (4114, 59930), (4420, 55781), (4610, 53482), (4862, 50710), (5071, 48620), (5993, 41140), (6292, 39185), (7837, 31460), (7865, 31348), (8228, 29965), (9220, 26741), (9724, 25355), (10142, 24310), (10285, 23972), (11986, 20570), (12155, 20284), (15674, 15730)]