858747540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{292091}}^1$

素因数の和:292117

約数の個数: 72

約数和(自身を含む): 2797072992

約数和(自身を除く): 1938325452

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 292091, 584182, 876273, 1168364, 1460455, 1752546, 2044637, 2920910, 3505092, 4089274, 4381365, 5841820, 6133911, 8178548, 8762730, 10223185, 12267822, 14312459, 17525460, 20446370, 24535644, 28624918, 30669555, 40892740, 42937377, 57249836, 61339110, 71562295, 85874754, 122678220, 143124590, 171749508, 214686885, 286249180, 429373770, 858747540]

約数ペア:

[(1, 858747540), (2, 429373770), (3, 286249180), (4, 214686885), (5, 171749508), (6, 143124590), (7, 122678220), (10, 85874754), (12, 71562295), (14, 61339110), (15, 57249836), (20, 42937377), (21, 40892740), (28, 30669555), (30, 28624918), (35, 24535644), (42, 20446370), (49, 17525460), (60, 14312459), (70, 12267822), (84, 10223185), (98, 8762730), (105, 8178548), (140, 6133911), (147, 5841820), (196, 4381365), (210, 4089274), (245, 3505092), (294, 2920910), (420, 2044637), (490, 1752546), (588, 1460455), (735, 1168364), (980, 876273), (1470, 584182), (2940, 292091)]