196451320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:425

約数の個数: 128

約数和(自身を含む): 512749440

約数和(自身を除く): 316298120

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 71, 85, 104, 130, 136, 142, 170, 221, 260, 284, 313, 340, 355, 442, 520, 568, 626, 680, 710, 884, 923, 1105, 1207, 1252, 1420, 1565, 1768, 1846, 2210, 2414, 2504, 2840, 3130, 3692, 4069, 4420, 4615, 4828, 5321, 6035, 6260, 7384, 8138, 8840, 9230, 9656, 10642, 12070, 12520, 15691, 16276, 18460, 20345, 21284, 22223, 24140, 26605, 31382, 32552, 36920, 40690, 42568, 44446, 48280, 53210, 62764, 69173, 78455, 81380, 88892, 106420, 111115, 125528, 138346, 156910, 162760, 177784, 212840, 222230, 276692, 288899, 313820, 345865, 377791, 444460, 553384, 577798, 627640, 691730, 755582, 888920, 1155596, 1383460, 1444495, 1511164, 1888955, 2311192, 2766920, 2888990, 3022328, 3777910, 4911283, 5777980, 7555820, 9822566, 11555960, 15111640, 19645132, 24556415, 39290264, 49112830, 98225660, 196451320]

約数ペア:

[(1, 196451320), (2, 98225660), (4, 49112830), (5, 39290264), (8, 24556415), (10, 19645132), (13, 15111640), (17, 11555960), (20, 9822566), (26, 7555820), (34, 5777980), (40, 4911283), (52, 3777910), (65, 3022328), (68, 2888990), (71, 2766920), (85, 2311192), (104, 1888955), (130, 1511164), (136, 1444495), (142, 1383460), (170, 1155596), (221, 888920), (260, 755582), (284, 691730), (313, 627640), (340, 577798), (355, 553384), (442, 444460), (520, 377791), (568, 345865), (626, 313820), (680, 288899), (710, 276692), (884, 222230), (923, 212840), (1105, 177784), (1207, 162760), (1252, 156910), (1420, 138346), (1565, 125528), (1768, 111115), (1846, 106420), (2210, 88892), (2414, 81380), (2504, 78455), (2840, 69173), (3130, 62764), (3692, 53210), (4069, 48280), (4420, 44446), (4615, 42568), (4828, 40690), (5321, 36920), (6035, 32552), (6260, 31382), (7384, 26605), (8138, 24140), (8840, 22223), (9230, 21284), (9656, 20345), (10642, 18460), (12070, 16276), (12520, 15691)]