7141420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 17830512

約数和(自身を除く): 10689092

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 227, 242, 260, 286, 454, 484, 572, 605, 715, 908, 1135, 1210, 1430, 1573, 2270, 2420, 2497, 2860, 2951, 3146, 4540, 4994, 5902, 6292, 7865, 9988, 11804, 12485, 14755, 15730, 24970, 27467, 29510, 31460, 32461, 49940, 54934, 59020, 64922, 109868, 129844, 137335, 162305, 274670, 324610, 357071, 549340, 649220, 714142, 1428284, 1785355, 3570710, 7141420]

約数ペア:

[(1, 7141420), (2, 3570710), (4, 1785355), (5, 1428284), (10, 714142), (11, 649220), (13, 549340), (20, 357071), (22, 324610), (26, 274670), (44, 162305), (52, 137335), (55, 129844), (65, 109868), (110, 64922), (121, 59020), (130, 54934), (143, 49940), (220, 32461), (227, 31460), (242, 29510), (260, 27467), (286, 24970), (454, 15730), (484, 14755), (572, 12485), (605, 11804), (715, 9988), (908, 7865), (1135, 6292), (1210, 5902), (1430, 4994), (1573, 4540), (2270, 3146), (2420, 2951), (2497, 2860)]