140288020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{11909}}^1$

素因数の和:11968

約数の個数: 48

約数和(自身を含む): 320140800

約数和(自身を除く): 179852780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 11909, 23818, 47636, 59545, 119090, 226271, 238180, 369179, 452542, 738358, 905084, 1131355, 1476716, 1845895, 2262710, 3691790, 4525420, 7014401, 7383580, 14028802, 28057604, 35072005, 70144010, 140288020]

約数ペア:

[(1, 140288020), (2, 70144010), (4, 35072005), (5, 28057604), (10, 14028802), (19, 7383580), (20, 7014401), (31, 4525420), (38, 3691790), (62, 2262710), (76, 1845895), (95, 1476716), (124, 1131355), (155, 905084), (190, 738358), (310, 452542), (380, 369179), (589, 238180), (620, 226271), (1178, 119090), (2356, 59545), (2945, 47636), (5890, 23818), (11780, 11909)]