196258520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{971}}^1$

素因数の和:1176

約数の個数: 64

約数和(自身を含む): 459095040

約数和(自身を除く): 262836520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 163, 248, 310, 326, 620, 652, 815, 971, 1240, 1304, 1630, 1942, 3260, 3884, 4855, 5053, 6520, 7768, 9710, 10106, 19420, 20212, 25265, 30101, 38840, 40424, 50530, 60202, 101060, 120404, 150505, 158273, 202120, 240808, 301010, 316546, 602020, 633092, 791365, 1204040, 1266184, 1582730, 3165460, 4906463, 6330920, 9812926, 19625852, 24532315, 39251704, 49064630, 98129260, 196258520]

約数ペア:

[(1, 196258520), (2, 98129260), (4, 49064630), (5, 39251704), (8, 24532315), (10, 19625852), (20, 9812926), (31, 6330920), (40, 4906463), (62, 3165460), (124, 1582730), (155, 1266184), (163, 1204040), (248, 791365), (310, 633092), (326, 602020), (620, 316546), (652, 301010), (815, 240808), (971, 202120), (1240, 158273), (1304, 150505), (1630, 120404), (1942, 101060), (3260, 60202), (3884, 50530), (4855, 40424), (5053, 38840), (6520, 30101), (7768, 25265), (9710, 20212), (10106, 19420)]