142402840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2801}}^1$

素因数の和:2884

約数の個数: 64

約数和(自身を含む): 338929920

約数和(自身を除く): 196527080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 820, 1240, 1271, 1640, 2542, 2801, 5084, 5602, 6355, 10168, 11204, 12710, 14005, 22408, 25420, 28010, 50840, 56020, 86831, 112040, 114841, 173662, 229682, 347324, 434155, 459364, 574205, 694648, 868310, 918728, 1148410, 1736620, 2296820, 3473240, 3560071, 4593640, 7120142, 14240284, 17800355, 28480568, 35600710, 71201420, 142402840]

約数ペア:

[(1, 142402840), (2, 71201420), (4, 35600710), (5, 28480568), (8, 17800355), (10, 14240284), (20, 7120142), (31, 4593640), (40, 3560071), (41, 3473240), (62, 2296820), (82, 1736620), (124, 1148410), (155, 918728), (164, 868310), (205, 694648), (248, 574205), (310, 459364), (328, 434155), (410, 347324), (620, 229682), (820, 173662), (1240, 114841), (1271, 112040), (1640, 86831), (2542, 56020), (2801, 50840), (5084, 28010), (5602, 25420), (6355, 22408), (10168, 14005), (11204, 12710)]