745352840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{4733}}^1$

素因数の和:4902

約数の個数: 64

約数和(自身を含む): 1745141760

約数和(自身を除く): 999788920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 508, 620, 635, 1016, 1240, 1270, 2540, 3937, 4733, 5080, 7874, 9466, 15748, 18932, 19685, 23665, 31496, 37864, 39370, 47330, 78740, 94660, 146723, 157480, 189320, 293446, 586892, 601091, 733615, 1173784, 1202182, 1467230, 2404364, 2934460, 3005455, 4808728, 5868920, 6010910, 12021820, 18633821, 24043640, 37267642, 74535284, 93169105, 149070568, 186338210, 372676420, 745352840]

約数ペア:

[(1, 745352840), (2, 372676420), (4, 186338210), (5, 149070568), (8, 93169105), (10, 74535284), (20, 37267642), (31, 24043640), (40, 18633821), (62, 12021820), (124, 6010910), (127, 5868920), (155, 4808728), (248, 3005455), (254, 2934460), (310, 2404364), (508, 1467230), (620, 1202182), (635, 1173784), (1016, 733615), (1240, 601091), (1270, 586892), (2540, 293446), (3937, 189320), (4733, 157480), (5080, 146723), (7874, 94660), (9466, 78740), (15748, 47330), (18932, 39370), (19685, 37864), (23665, 31496)]