691899260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1013}}^1$

素因数の和:1143

約数の個数: 96

約数和(自身を含む): 1631290752

約数和(自身を除く): 939391492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 71, 74, 130, 142, 148, 185, 260, 284, 355, 370, 481, 710, 740, 923, 962, 1013, 1420, 1846, 1924, 2026, 2405, 2627, 3692, 4052, 4615, 4810, 5065, 5254, 9230, 9620, 10130, 10508, 13135, 13169, 18460, 20260, 26270, 26338, 34151, 37481, 52540, 52676, 65845, 68302, 71923, 74962, 131690, 136604, 143846, 149924, 170755, 187405, 263380, 287692, 341510, 359615, 374810, 487253, 683020, 719230, 749620, 934999, 974506, 1438460, 1869998, 1949012, 2436265, 2661151, 3739996, 4674995, 4872530, 5322302, 9349990, 9745060, 10644604, 13305755, 18699980, 26611510, 34594963, 53223020, 69189926, 138379852, 172974815, 345949630, 691899260]

約数ペア:

[(1, 691899260), (2, 345949630), (4, 172974815), (5, 138379852), (10, 69189926), (13, 53223020), (20, 34594963), (26, 26611510), (37, 18699980), (52, 13305755), (65, 10644604), (71, 9745060), (74, 9349990), (130, 5322302), (142, 4872530), (148, 4674995), (185, 3739996), (260, 2661151), (284, 2436265), (355, 1949012), (370, 1869998), (481, 1438460), (710, 974506), (740, 934999), (923, 749620), (962, 719230), (1013, 683020), (1420, 487253), (1846, 374810), (1924, 359615), (2026, 341510), (2405, 287692), (2627, 263380), (3692, 187405), (4052, 170755), (4615, 149924), (4810, 143846), (5065, 136604), (5254, 131690), (9230, 74962), (9620, 71923), (10130, 68302), (10508, 65845), (13135, 52676), (13169, 52540), (18460, 37481), (20260, 34151), (26270, 26338)]