85958180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{55817}}^1$

素因数の和:55844

約数の個数: 48

約数和(自身を含む): 225058176

約数和(自身を除く): 139099996

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 55817, 111634, 223268, 279085, 390719, 558170, 613987, 781438, 1116340, 1227974, 1562876, 1953595, 2455948, 3069935, 3907190, 4297909, 6139870, 7814380, 8595818, 12279740, 17191636, 21489545, 42979090, 85958180]

約数ペア:

[(1, 85958180), (2, 42979090), (4, 21489545), (5, 17191636), (7, 12279740), (10, 8595818), (11, 7814380), (14, 6139870), (20, 4297909), (22, 3907190), (28, 3069935), (35, 2455948), (44, 1953595), (55, 1562876), (70, 1227974), (77, 1116340), (110, 781438), (140, 613987), (154, 558170), (220, 390719), (308, 279085), (385, 223268), (770, 111634), (1540, 55817)]