402230220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{136813}}^1$

素因数の和:136839

約数の個数: 72

約数和(自身を含む): 1310130864

約数和(自身を除く): 907900644

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 136813, 273626, 410439, 547252, 684065, 820878, 957691, 1368130, 1641756, 1915382, 2052195, 2736260, 2873073, 3830764, 4104390, 4788455, 5746146, 6703837, 8208780, 9576910, 11492292, 13407674, 14365365, 19153820, 20111511, 26815348, 28730730, 33519185, 40223022, 57461460, 67038370, 80446044, 100557555, 134076740, 201115110, 402230220]

約数ペア:

[(1, 402230220), (2, 201115110), (3, 134076740), (4, 100557555), (5, 80446044), (6, 67038370), (7, 57461460), (10, 40223022), (12, 33519185), (14, 28730730), (15, 26815348), (20, 20111511), (21, 19153820), (28, 14365365), (30, 13407674), (35, 11492292), (42, 9576910), (49, 8208780), (60, 6703837), (70, 5746146), (84, 4788455), (98, 4104390), (105, 3830764), (140, 2873073), (147, 2736260), (196, 2052195), (210, 1915382), (245, 1641756), (294, 1368130), (420, 957691), (490, 820878), (588, 684065), (735, 547252), (980, 410439), (1470, 273626), (2940, 136813)]