401039860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2213}}^1$

素因数の和:2293

約数の個数: 96

約数和(自身を含む): 984184992

約数和(自身を除く): 583145132

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 41, 52, 65, 68, 82, 85, 130, 164, 170, 205, 221, 260, 340, 410, 442, 533, 697, 820, 884, 1066, 1105, 1394, 2132, 2210, 2213, 2665, 2788, 3485, 4420, 4426, 5330, 6970, 8852, 9061, 10660, 11065, 13940, 18122, 22130, 28769, 36244, 37621, 44260, 45305, 57538, 75242, 90610, 90733, 115076, 143845, 150484, 181220, 181466, 188105, 287690, 362932, 376210, 453665, 489073, 575380, 752420, 907330, 978146, 1179529, 1542461, 1814660, 1956292, 2359058, 2445365, 3084922, 4718116, 4890730, 5897645, 6169844, 7712305, 9781460, 11795290, 15424610, 20051993, 23590580, 30849220, 40103986, 80207972, 100259965, 200519930, 401039860]

約数ペア:

[(1, 401039860), (2, 200519930), (4, 100259965), (5, 80207972), (10, 40103986), (13, 30849220), (17, 23590580), (20, 20051993), (26, 15424610), (34, 11795290), (41, 9781460), (52, 7712305), (65, 6169844), (68, 5897645), (82, 4890730), (85, 4718116), (130, 3084922), (164, 2445365), (170, 2359058), (205, 1956292), (221, 1814660), (260, 1542461), (340, 1179529), (410, 978146), (442, 907330), (533, 752420), (697, 575380), (820, 489073), (884, 453665), (1066, 376210), (1105, 362932), (1394, 287690), (2132, 188105), (2210, 181466), (2213, 181220), (2665, 150484), (2788, 143845), (3485, 115076), (4420, 90733), (4426, 90610), (5330, 75242), (6970, 57538), (8852, 45305), (9061, 44260), (10660, 37621), (11065, 36244), (13940, 28769), (18122, 22130)]