290400870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{5119}}^1$

素因数の和:5221

約数の個数: 64

約数和(自身を含む): 731381760

約数和(自身を除く): 440980890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 61, 62, 93, 122, 155, 183, 186, 305, 310, 366, 465, 610, 915, 930, 1830, 1891, 3782, 5119, 5673, 9455, 10238, 11346, 15357, 18910, 25595, 28365, 30714, 51190, 56730, 76785, 153570, 158689, 312259, 317378, 476067, 624518, 793445, 936777, 952134, 1561295, 1586890, 1873554, 2380335, 3122590, 4683885, 4760670, 9367770, 9680029, 19360058, 29040087, 48400145, 58080174, 96800290, 145200435, 290400870]

約数ペア:

[(1, 290400870), (2, 145200435), (3, 96800290), (5, 58080174), (6, 48400145), (10, 29040087), (15, 19360058), (30, 9680029), (31, 9367770), (61, 4760670), (62, 4683885), (93, 3122590), (122, 2380335), (155, 1873554), (183, 1586890), (186, 1561295), (305, 952134), (310, 936777), (366, 793445), (465, 624518), (610, 476067), (915, 317378), (930, 312259), (1830, 158689), (1891, 153570), (3782, 76785), (5119, 56730), (5673, 51190), (9455, 30714), (10238, 28365), (11346, 25595), (15357, 18910)]