383971980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{914219}}^1$

素因数の和:914238

約数の個数: 48

約数和(自身を含む): 1228711680

約数和(自身を除く): 844739700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 914219, 1828438, 2742657, 3656876, 4571095, 5485314, 6399533, 9142190, 10970628, 12799066, 13713285, 18284380, 19198599, 25598132, 27426570, 31997665, 38397198, 54853140, 63995330, 76794396, 95992995, 127990660, 191985990, 383971980]

約数ペア:

[(1, 383971980), (2, 191985990), (3, 127990660), (4, 95992995), (5, 76794396), (6, 63995330), (7, 54853140), (10, 38397198), (12, 31997665), (14, 27426570), (15, 25598132), (20, 19198599), (21, 18284380), (28, 13713285), (30, 12799066), (35, 10970628), (42, 9142190), (60, 6399533), (70, 5485314), (84, 4571095), (105, 3656876), (140, 2742657), (210, 1828438), (420, 914219)]