208610220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2939}}^1$

素因数の和:2984

約数の個数: 144

約数和(自身を含む): 723098880

約数和(自身を除く): 514488660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 260, 273, 338, 364, 390, 420, 455, 507, 546, 676, 780, 845, 910, 1014, 1092, 1183, 1365, 1690, 1820, 2028, 2366, 2535, 2730, 2939, 3380, 3549, 4732, 5070, 5460, 5878, 5915, 7098, 8817, 10140, 11756, 11830, 14196, 14695, 17634, 17745, 20573, 23660, 29390, 35268, 35490, 38207, 41146, 44085, 58780, 61719, 70980, 76414, 82292, 88170, 102865, 114621, 123438, 152828, 176340, 191035, 205730, 229242, 246876, 267449, 308595, 382070, 411460, 458484, 496691, 534898, 573105, 617190, 764140, 802347, 993382, 1069796, 1146210, 1234380, 1337245, 1490073, 1604694, 1986764, 2292420, 2483455, 2674490, 2980146, 3209388, 3476837, 4011735, 4966910, 5348980, 5960292, 6953674, 7450365, 8023470, 9933820, 10430511, 13907348, 14900730, 16046940, 17384185, 20861022, 29801460, 34768370, 41722044, 52152555, 69536740, 104305110, 208610220]

約数ペア:

[(1, 208610220), (2, 104305110), (3, 69536740), (4, 52152555), (5, 41722044), (6, 34768370), (7, 29801460), (10, 20861022), (12, 17384185), (13, 16046940), (14, 14900730), (15, 13907348), (20, 10430511), (21, 9933820), (26, 8023470), (28, 7450365), (30, 6953674), (35, 5960292), (39, 5348980), (42, 4966910), (52, 4011735), (60, 3476837), (65, 3209388), (70, 2980146), (78, 2674490), (84, 2483455), (91, 2292420), (105, 1986764), (130, 1604694), (140, 1490073), (156, 1337245), (169, 1234380), (182, 1146210), (195, 1069796), (210, 993382), (260, 802347), (273, 764140), (338, 617190), (364, 573105), (390, 534898), (420, 496691), (455, 458484), (507, 411460), (546, 382070), (676, 308595), (780, 267449), (845, 246876), (910, 229242), (1014, 205730), (1092, 191035), (1183, 176340), (1365, 152828), (1690, 123438), (1820, 114621), (2028, 102865), (2366, 88170), (2535, 82292), (2730, 76414), (2939, 70980), (3380, 61719), (3549, 58780), (4732, 44085), (5070, 41146), (5460, 38207), (5878, 35490), (5915, 35268), (7098, 29390), (8817, 23660), (10140, 20573), (11756, 17745), (11830, 17634), (14196, 14695)]