289192180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{3089}}^1$

素因数の和:3280

約数の個数: 48

約数和(自身を含む): 631249920

約数和(自身を除く): 342057740

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 151, 155, 302, 310, 604, 620, 755, 1510, 3020, 3089, 4681, 6178, 9362, 12356, 15445, 18724, 23405, 30890, 46810, 61780, 93620, 95759, 191518, 383036, 466439, 478795, 932878, 957590, 1865756, 1915180, 2332195, 4664390, 9328780, 14459609, 28919218, 57838436, 72298045, 144596090, 289192180]

約数ペア:

[(1, 289192180), (2, 144596090), (4, 72298045), (5, 57838436), (10, 28919218), (20, 14459609), (31, 9328780), (62, 4664390), (124, 2332195), (151, 1915180), (155, 1865756), (302, 957590), (310, 932878), (604, 478795), (620, 466439), (755, 383036), (1510, 191518), (3020, 95759), (3089, 93620), (4681, 61780), (6178, 46810), (9362, 30890), (12356, 23405), (15445, 18724)]