49391820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{829}}^1$

素因数の和:1175

約数の個数: 72

約数和(自身を含む): 150455760

約数和(自身を除く): 101063940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 331, 662, 829, 993, 1324, 1655, 1658, 1986, 2487, 2979, 3310, 3316, 3972, 4145, 4965, 4974, 5958, 6620, 7461, 8290, 9930, 9948, 11916, 12435, 14895, 14922, 16580, 19860, 24870, 29790, 29844, 37305, 49740, 59580, 74610, 149220, 274399, 548798, 823197, 1097596, 1371995, 1646394, 2469591, 2743990, 3292788, 4115985, 4939182, 5487980, 8231970, 9878364, 12347955, 16463940, 24695910, 49391820]

約数ペア:

[(1, 49391820), (2, 24695910), (3, 16463940), (4, 12347955), (5, 9878364), (6, 8231970), (9, 5487980), (10, 4939182), (12, 4115985), (15, 3292788), (18, 2743990), (20, 2469591), (30, 1646394), (36, 1371995), (45, 1097596), (60, 823197), (90, 548798), (180, 274399), (331, 149220), (662, 74610), (829, 59580), (993, 49740), (1324, 37305), (1655, 29844), (1658, 29790), (1986, 24870), (2487, 19860), (2979, 16580), (3310, 14922), (3316, 14895), (3972, 12435), (4145, 11916), (4965, 9948), (4974, 9930), (5958, 8290), (6620, 7461)]