156558860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{6983}}^1$

素因数の和:7070

約数の個数: 48

約数和(自身を含む): 351993600

約数和(自身を除く): 195434740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 1121, 1180, 2242, 4484, 5605, 6983, 11210, 13966, 22420, 27932, 34915, 69830, 132677, 139660, 265354, 411997, 530708, 663385, 823994, 1326770, 1647988, 2059985, 2653540, 4119970, 7827943, 8239940, 15655886, 31311772, 39139715, 78279430, 156558860]

約数ペア:

[(1, 156558860), (2, 78279430), (4, 39139715), (5, 31311772), (10, 15655886), (19, 8239940), (20, 7827943), (38, 4119970), (59, 2653540), (76, 2059985), (95, 1647988), (118, 1326770), (190, 823994), (236, 663385), (295, 530708), (380, 411997), (590, 265354), (1121, 139660), (1180, 132677), (2242, 69830), (4484, 34915), (5605, 27932), (6983, 22420), (11210, 13966)]