85857980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:303

約数の個数: 96

約数和(自身を含む): 205329600

約数和(自身を除く): 119471620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 59, 65, 116, 118, 130, 145, 193, 236, 260, 290, 295, 377, 386, 580, 590, 754, 767, 772, 965, 1180, 1508, 1534, 1711, 1885, 1930, 2509, 3068, 3422, 3770, 3835, 3860, 5018, 5597, 6844, 7540, 7670, 8555, 10036, 11194, 11387, 12545, 15340, 17110, 22243, 22388, 22774, 25090, 27985, 34220, 44486, 45548, 50180, 55970, 56935, 72761, 88972, 111215, 111940, 113870, 145522, 148031, 222430, 227740, 291044, 296062, 330223, 363805, 444860, 592124, 660446, 727610, 740155, 1320892, 1455220, 1480310, 1651115, 2960620, 3302230, 4292899, 6604460, 8585798, 17171596, 21464495, 42928990, 85857980]

約数ペア:

[(1, 85857980), (2, 42928990), (4, 21464495), (5, 17171596), (10, 8585798), (13, 6604460), (20, 4292899), (26, 3302230), (29, 2960620), (52, 1651115), (58, 1480310), (59, 1455220), (65, 1320892), (116, 740155), (118, 727610), (130, 660446), (145, 592124), (193, 444860), (236, 363805), (260, 330223), (290, 296062), (295, 291044), (377, 227740), (386, 222430), (580, 148031), (590, 145522), (754, 113870), (767, 111940), (772, 111215), (965, 88972), (1180, 72761), (1508, 56935), (1534, 55970), (1711, 50180), (1885, 45548), (1930, 44486), (2509, 34220), (3068, 27985), (3422, 25090), (3770, 22774), (3835, 22388), (3860, 22243), (5018, 17110), (5597, 15340), (6844, 12545), (7540, 11387), (7670, 11194), (8555, 10036)]