212798820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1831}}^1$

素因数の和:2005

約数の個数: 96

約数和(自身を含む): 646329600

約数和(自身を除く): 433530780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 149, 156, 195, 260, 298, 390, 447, 596, 745, 780, 894, 1490, 1788, 1831, 1937, 2235, 2980, 3662, 3874, 4470, 5493, 5811, 7324, 7748, 8940, 9155, 9685, 10986, 11622, 18310, 19370, 21972, 23244, 23803, 27465, 29055, 36620, 38740, 47606, 54930, 58110, 71409, 95212, 109860, 116220, 119015, 142818, 238030, 272819, 285636, 357045, 476060, 545638, 714090, 818457, 1091276, 1364095, 1428180, 1636914, 2728190, 3273828, 3546647, 4092285, 5456380, 7093294, 8184570, 10639941, 14186588, 16369140, 17733235, 21279882, 35466470, 42559764, 53199705, 70932940, 106399410, 212798820]

約数ペア:

[(1, 212798820), (2, 106399410), (3, 70932940), (4, 53199705), (5, 42559764), (6, 35466470), (10, 21279882), (12, 17733235), (13, 16369140), (15, 14186588), (20, 10639941), (26, 8184570), (30, 7093294), (39, 5456380), (52, 4092285), (60, 3546647), (65, 3273828), (78, 2728190), (130, 1636914), (149, 1428180), (156, 1364095), (195, 1091276), (260, 818457), (298, 714090), (390, 545638), (447, 476060), (596, 357045), (745, 285636), (780, 272819), (894, 238030), (1490, 142818), (1788, 119015), (1831, 116220), (1937, 109860), (2235, 95212), (2980, 71409), (3662, 58110), (3874, 54930), (4470, 47606), (5493, 38740), (5811, 36620), (7324, 29055), (7748, 27465), (8940, 23803), (9155, 23244), (9685, 21972), (10986, 19370), (11622, 18310)]