238294520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{192173}}^1$

素因数の和:192215

約数の個数: 32

約数和(自身を含む): 553461120

約数和(自身を除く): 315166600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 192173, 384346, 768692, 960865, 1537384, 1921730, 3843460, 5957363, 7686920, 11914726, 23829452, 29786815, 47658904, 59573630, 119147260, 238294520]

約数ペア:

[(1, 238294520), (2, 119147260), (4, 59573630), (5, 47658904), (8, 29786815), (10, 23829452), (20, 11914726), (31, 7686920), (40, 5957363), (62, 3843460), (124, 1921730), (155, 1537384), (248, 960865), (310, 768692), (620, 384346), (1240, 192173)]