30986800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:191

約数の個数: 120

約数和(自身を含む): 82338480

約数和(自身を除く): 51351680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 59, 65, 80, 100, 101, 104, 118, 130, 200, 202, 208, 236, 260, 295, 325, 400, 404, 472, 505, 520, 590, 650, 767, 808, 944, 1010, 1040, 1180, 1300, 1313, 1475, 1534, 1616, 2020, 2360, 2525, 2600, 2626, 2950, 3068, 3835, 4040, 4720, 5050, 5200, 5252, 5900, 5959, 6136, 6565, 7670, 8080, 10100, 10504, 11800, 11918, 12272, 13130, 15340, 19175, 20200, 21008, 23600, 23836, 26260, 29795, 30680, 32825, 38350, 40400, 47672, 52520, 59590, 61360, 65650, 76700, 77467, 95344, 105040, 119180, 131300, 148975, 153400, 154934, 238360, 262600, 297950, 306800, 309868, 387335, 476720, 525200, 595900, 619736, 774670, 1191800, 1239472, 1549340, 1936675, 2383600, 3098680, 3873350, 6197360, 7746700, 15493400, 30986800]

約数ペア:

[(1, 30986800), (2, 15493400), (4, 7746700), (5, 6197360), (8, 3873350), (10, 3098680), (13, 2383600), (16, 1936675), (20, 1549340), (25, 1239472), (26, 1191800), (40, 774670), (50, 619736), (52, 595900), (59, 525200), (65, 476720), (80, 387335), (100, 309868), (101, 306800), (104, 297950), (118, 262600), (130, 238360), (200, 154934), (202, 153400), (208, 148975), (236, 131300), (260, 119180), (295, 105040), (325, 95344), (400, 77467), (404, 76700), (472, 65650), (505, 61360), (520, 59590), (590, 52520), (650, 47672), (767, 40400), (808, 38350), (944, 32825), (1010, 30680), (1040, 29795), (1180, 26260), (1300, 23836), (1313, 23600), (1475, 21008), (1534, 20200), (1616, 19175), (2020, 15340), (2360, 13130), (2525, 12272), (2600, 11918), (2626, 11800), (2950, 10504), (3068, 10100), (3835, 8080), (4040, 7670), (4720, 6565), (5050, 6136), (5200, 5959), (5252, 5900)]