128221890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137873}}^1$

素因数の和:137914

約数の個数: 32

約数和(自身を含む): 317661696

約数和(自身を除く): 189439806

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 137873, 275746, 413619, 689365, 827238, 1378730, 2068095, 4136190, 4274063, 8548126, 12822189, 21370315, 25644378, 42740630, 64110945, 128221890]

約数ペア:

[(1, 128221890), (2, 64110945), (3, 42740630), (5, 25644378), (6, 21370315), (10, 12822189), (15, 8548126), (30, 4274063), (31, 4136190), (62, 2068095), (93, 1378730), (155, 827238), (186, 689365), (310, 413619), (465, 275746), (930, 137873)]