7556559820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^2\times {\mathrm{241}}^1\times {\mathrm{311}}^1$

素因数の和:703

約数の個数: 72

約数和(自身を含む): 16214181984

約数和(自身を除く): 8657622164

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 241, 284, 311, 355, 482, 622, 710, 964, 1205, 1244, 1420, 1555, 2410, 3110, 4820, 5041, 6220, 10082, 17111, 20164, 22081, 25205, 34222, 44162, 50410, 68444, 74951, 85555, 88324, 100820, 110405, 149902, 171110, 220810, 299804, 342220, 374755, 441620, 749510, 1214881, 1499020, 1567751, 2429762, 3135502, 4859524, 5321521, 6074405, 6271004, 7838755, 10643042, 12148810, 15677510, 21286084, 24297620, 26607605, 31355020, 53215210, 106430420, 377827991, 755655982, 1511311964, 1889139955, 3778279910, 7556559820]

約数ペア:

[(1, 7556559820), (2, 3778279910), (4, 1889139955), (5, 1511311964), (10, 755655982), (20, 377827991), (71, 106430420), (142, 53215210), (241, 31355020), (284, 26607605), (311, 24297620), (355, 21286084), (482, 15677510), (622, 12148810), (710, 10643042), (964, 7838755), (1205, 6271004), (1244, 6074405), (1420, 5321521), (1555, 4859524), (2410, 3135502), (3110, 2429762), (4820, 1567751), (5041, 1499020), (6220, 1214881), (10082, 749510), (17111, 441620), (20164, 374755), (22081, 342220), (25205, 299804), (34222, 220810), (44162, 171110), (50410, 149902), (68444, 110405), (74951, 100820), (85555, 88324)]