87741990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{139273}}^1$

素因数の和:139293

約数の個数: 48

約数和(自身を含む): 260720928

約数和(自身を除く): 172978938

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 139273, 278546, 417819, 696365, 835638, 974911, 1253457, 1392730, 1949822, 2089095, 2506914, 2924733, 4178190, 4874555, 5849466, 6267285, 8774199, 9749110, 12534570, 14623665, 17548398, 29247330, 43870995, 87741990]

約数ペア:

[(1, 87741990), (2, 43870995), (3, 29247330), (5, 17548398), (6, 14623665), (7, 12534570), (9, 9749110), (10, 8774199), (14, 6267285), (15, 5849466), (18, 4874555), (21, 4178190), (30, 2924733), (35, 2506914), (42, 2089095), (45, 1949822), (63, 1392730), (70, 1253457), (90, 974911), (105, 835638), (126, 696365), (210, 417819), (315, 278546), (630, 139273)]