3899180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 8924160

約数和(自身を除く): 5024980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 331, 380, 589, 620, 662, 1178, 1324, 1655, 2356, 2945, 3310, 5890, 6289, 6620, 10261, 11780, 12578, 20522, 25156, 31445, 41044, 51305, 62890, 102610, 125780, 194959, 205220, 389918, 779836, 974795, 1949590, 3899180]

約数ペア:

[(1, 3899180), (2, 1949590), (4, 974795), (5, 779836), (10, 389918), (19, 205220), (20, 194959), (31, 125780), (38, 102610), (62, 62890), (76, 51305), (95, 41044), (124, 31445), (155, 25156), (190, 20522), (310, 12578), (331, 11780), (380, 10261), (589, 6620), (620, 6289), (662, 5890), (1178, 3310), (1324, 2945), (1655, 2356)]