239558260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{2311}}^1$

素因数の和:2464

約数の個数: 48

約数和(自身を含む): 517370112

約数和(自身を除く): 277811852

約数列:

[1, 2, 4, 5, 10, 20, 71, 73, 142, 146, 284, 292, 355, 365, 710, 730, 1420, 1460, 2311, 4622, 5183, 9244, 10366, 11555, 20732, 23110, 25915, 46220, 51830, 103660, 164081, 168703, 328162, 337406, 656324, 674812, 820405, 843515, 1640810, 1687030, 3281620, 3374060, 11977913, 23955826, 47911652, 59889565, 119779130, 239558260]

約数ペア:

[(1, 239558260), (2, 119779130), (4, 59889565), (5, 47911652), (10, 23955826), (20, 11977913), (71, 3374060), (73, 3281620), (142, 1687030), (146, 1640810), (284, 843515), (292, 820405), (355, 674812), (365, 656324), (710, 337406), (730, 328162), (1420, 168703), (1460, 164081), (2311, 103660), (4622, 51830), (5183, 46220), (9244, 25915), (10366, 23110), (11555, 20732)]