397789730920

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{571}}^1\times {\mathrm{96223}}^1$

素因数の和:96986

約数の個数: 64

約数和(自身を含む): 901557296640

約数和(自身を除く): 503767565720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 571, 724, 905, 1142, 1448, 1810, 2284, 2855, 3620, 4568, 5710, 7240, 11420, 22840, 96223, 103351, 192446, 206702, 384892, 413404, 481115, 516755, 769784, 826808, 962230, 1033510, 1924460, 2067020, 3848920, 4134040, 17416363, 34832726, 54943333, 69665452, 87081815, 109886666, 139330904, 174163630, 219773332, 274716665, 348327260, 439546664, 549433330, 696654520, 1098866660, 2197733320, 9944743273, 19889486546, 39778973092, 49723716365, 79557946184, 99447432730, 198894865460, 397789730920]

約数ペア:

[(1, 397789730920), (2, 198894865460), (4, 99447432730), (5, 79557946184), (8, 49723716365), (10, 39778973092), (20, 19889486546), (40, 9944743273), (181, 2197733320), (362, 1098866660), (571, 696654520), (724, 549433330), (905, 439546664), (1142, 348327260), (1448, 274716665), (1810, 219773332), (2284, 174163630), (2855, 139330904), (3620, 109886666), (4568, 87081815), (5710, 69665452), (7240, 54943333), (11420, 34832726), (22840, 17416363), (96223, 4134040), (103351, 3848920), (192446, 2067020), (206702, 1924460), (384892, 1033510), (413404, 962230), (481115, 826808), (516755, 769784)]