238720440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{284191}}^1$

素因数の和:284212

約数の個数: 64

約数和(自身を含む): 818472960

約数和(自身を除く): 579752520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 284191, 568382, 852573, 1136764, 1420955, 1705146, 1989337, 2273528, 2841910, 3410292, 3978674, 4262865, 5683820, 5968011, 6820584, 7957348, 8525730, 9946685, 11367640, 11936022, 15914696, 17051460, 19893370, 23872044, 29840055, 34102920, 39786740, 47744088, 59680110, 79573480, 119360220, 238720440]

約数ペア:

[(1, 238720440), (2, 119360220), (3, 79573480), (4, 59680110), (5, 47744088), (6, 39786740), (7, 34102920), (8, 29840055), (10, 23872044), (12, 19893370), (14, 17051460), (15, 15914696), (20, 11936022), (21, 11367640), (24, 9946685), (28, 8525730), (30, 7957348), (35, 6820584), (40, 5968011), (42, 5683820), (56, 4262865), (60, 3978674), (70, 3410292), (84, 2841910), (105, 2273528), (120, 1989337), (140, 1705146), (168, 1420955), (210, 1136764), (280, 852573), (420, 568382), (840, 284191)]