404726940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{6793}}^1$

素因数の和:7139

約数の個数: 72

約数和(自身を含む): 1231561968

約数和(自身を除く): 826835028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 331, 662, 993, 1324, 1655, 1986, 2979, 3310, 3972, 4965, 5958, 6620, 6793, 9930, 11916, 13586, 14895, 19860, 20379, 27172, 29790, 33965, 40758, 59580, 61137, 67930, 81516, 101895, 122274, 135860, 203790, 244548, 305685, 407580, 611370, 1222740, 2248483, 4496966, 6745449, 8993932, 11242415, 13490898, 20236347, 22484830, 26981796, 33727245, 40472694, 44969660, 67454490, 80945388, 101181735, 134908980, 202363470, 404726940]

約数ペア:

[(1, 404726940), (2, 202363470), (3, 134908980), (4, 101181735), (5, 80945388), (6, 67454490), (9, 44969660), (10, 40472694), (12, 33727245), (15, 26981796), (18, 22484830), (20, 20236347), (30, 13490898), (36, 11242415), (45, 8993932), (60, 6745449), (90, 4496966), (180, 2248483), (331, 1222740), (662, 611370), (993, 407580), (1324, 305685), (1655, 244548), (1986, 203790), (2979, 135860), (3310, 122274), (3972, 101895), (4965, 81516), (5958, 67930), (6620, 61137), (6793, 59580), (9930, 40758), (11916, 33965), (13586, 29790), (14895, 27172), (19860, 20379)]