259736620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{461}}^1$

素因数の和:691

約数の個数: 96

約数和(自身を含む): 645454656

約数和(自身を除く): 385718036

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 197, 220, 260, 286, 394, 461, 572, 715, 788, 922, 985, 1430, 1844, 1970, 2167, 2305, 2561, 2860, 3940, 4334, 4610, 5071, 5122, 5993, 8668, 9220, 10142, 10244, 10835, 11986, 12805, 20284, 21670, 23972, 25355, 25610, 28171, 29965, 43340, 50710, 51220, 56342, 59930, 65923, 90817, 101420, 112684, 119860, 131846, 140855, 181634, 263692, 281710, 329615, 363268, 454085, 563420, 659230, 908170, 998987, 1180621, 1318460, 1816340, 1997974, 2361242, 3995948, 4722484, 4994935, 5903105, 9989870, 11806210, 12986831, 19979740, 23612420, 25973662, 51947324, 64934155, 129868310, 259736620]

約数ペア:

[(1, 259736620), (2, 129868310), (4, 64934155), (5, 51947324), (10, 25973662), (11, 23612420), (13, 19979740), (20, 12986831), (22, 11806210), (26, 9989870), (44, 5903105), (52, 4994935), (55, 4722484), (65, 3995948), (110, 2361242), (130, 1997974), (143, 1816340), (197, 1318460), (220, 1180621), (260, 998987), (286, 908170), (394, 659230), (461, 563420), (572, 454085), (715, 363268), (788, 329615), (922, 281710), (985, 263692), (1430, 181634), (1844, 140855), (1970, 131846), (2167, 119860), (2305, 112684), (2561, 101420), (2860, 90817), (3940, 65923), (4334, 59930), (4610, 56342), (5071, 51220), (5122, 50710), (5993, 43340), (8668, 29965), (9220, 28171), (10142, 25610), (10244, 25355), (10835, 23972), (11986, 21670), (12805, 20284)]