139187580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{331399}}^1$

素因数の和:331418

約数の個数: 48

約数和(自身を含む): 445401600

約数和(自身を除く): 306214020

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, 331399, 662798, 994197, 1325596, 1656995, 1988394, 2319793, 3313990, 3976788, 4639586, 4970985, 6627980, 6959379, 9279172, 9941970, 11598965, 13918758, 19883940, 23197930, 27837516, 34796895, 46395860, 69593790, 139187580]

約数ペア:

[(1, 139187580), (2, 69593790), (3, 46395860), (4, 34796895), (5, 27837516), (6, 23197930), (7, 19883940), (10, 13918758), (12, 11598965), (14, 9941970), (15, 9279172), (20, 6959379), (21, 6627980), (28, 4970985), (30, 4639586), (35, 3976788), (42, 3313990), (60, 2319793), (70, 1988394), (84, 1656995), (105, 1325596), (140, 994197), (210, 662798), (420, 331399)]