74799920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1013}}^1$

素因数の和:1110

約数の個数: 80

約数和(自身を含む): 190112832

約数和(自身を除く): 115312912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 208, 260, 284, 355, 520, 568, 710, 923, 1013, 1040, 1136, 1420, 1846, 2026, 2840, 3692, 4052, 4615, 5065, 5680, 7384, 8104, 9230, 10130, 13169, 14768, 16208, 18460, 20260, 26338, 36920, 40520, 52676, 65845, 71923, 73840, 81040, 105352, 131690, 143846, 210704, 263380, 287692, 359615, 526760, 575384, 719230, 934999, 1053520, 1150768, 1438460, 1869998, 2876920, 3739996, 4674995, 5753840, 7479992, 9349990, 14959984, 18699980, 37399960, 74799920]

約数ペア:

[(1, 74799920), (2, 37399960), (4, 18699980), (5, 14959984), (8, 9349990), (10, 7479992), (13, 5753840), (16, 4674995), (20, 3739996), (26, 2876920), (40, 1869998), (52, 1438460), (65, 1150768), (71, 1053520), (80, 934999), (104, 719230), (130, 575384), (142, 526760), (208, 359615), (260, 287692), (284, 263380), (355, 210704), (520, 143846), (568, 131690), (710, 105352), (923, 81040), (1013, 73840), (1040, 71923), (1136, 65845), (1420, 52676), (1846, 40520), (2026, 36920), (2840, 26338), (3692, 20260), (4052, 18460), (4615, 16208), (5065, 14768), (5680, 13169), (7384, 10130), (8104, 9230)]