313635920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{3109}}^1$

素因数の和:3232

約数の個数: 80

約数和(自身を含む): 793647120

約数和(自身を除く): 480011200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 97, 104, 130, 194, 208, 260, 388, 485, 520, 776, 970, 1040, 1261, 1552, 1940, 2522, 3109, 3880, 5044, 6218, 6305, 7760, 10088, 12436, 12610, 15545, 20176, 24872, 25220, 31090, 40417, 49744, 50440, 62180, 80834, 100880, 124360, 161668, 202085, 248720, 301573, 323336, 404170, 603146, 646672, 808340, 1206292, 1507865, 1616680, 2412584, 3015730, 3233360, 3920449, 4825168, 6031460, 7840898, 12062920, 15681796, 19602245, 24125840, 31363592, 39204490, 62727184, 78408980, 156817960, 313635920]

約数ペア:

[(1, 313635920), (2, 156817960), (4, 78408980), (5, 62727184), (8, 39204490), (10, 31363592), (13, 24125840), (16, 19602245), (20, 15681796), (26, 12062920), (40, 7840898), (52, 6031460), (65, 4825168), (80, 3920449), (97, 3233360), (104, 3015730), (130, 2412584), (194, 1616680), (208, 1507865), (260, 1206292), (388, 808340), (485, 646672), (520, 603146), (776, 404170), (970, 323336), (1040, 301573), (1261, 248720), (1552, 202085), (1940, 161668), (2522, 124360), (3109, 100880), (3880, 80834), (5044, 62180), (6218, 50440), (6305, 49744), (7760, 40417), (10088, 31090), (12436, 25220), (12610, 24872), (15545, 20176)]