289019820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{155387}}^1$

素因数の和:155430

約数の個数: 48

約数和(自身を含む): 835365888

約数和(自身を除く): 546346068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 155387, 310774, 466161, 621548, 776935, 932322, 1553870, 1864644, 2330805, 3107740, 4661610, 4816997, 9323220, 9633994, 14450991, 19267988, 24084985, 28901982, 48169970, 57803964, 72254955, 96339940, 144509910, 289019820]

約数ペア:

[(1, 289019820), (2, 144509910), (3, 96339940), (4, 72254955), (5, 57803964), (6, 48169970), (10, 28901982), (12, 24084985), (15, 19267988), (20, 14450991), (30, 9633994), (31, 9323220), (60, 4816997), (62, 4661610), (93, 3107740), (124, 2330805), (155, 1864644), (186, 1553870), (310, 932322), (372, 776935), (465, 621548), (620, 466161), (930, 310774), (1860, 155387)]