220177890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{389}}^1$

素因数の和:752

約数の個数: 96

約数和(自身を含む): 605966400

約数和(自身を除く): 385788510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 331, 342, 389, 570, 662, 778, 855, 993, 1167, 1655, 1710, 1945, 1986, 2334, 2979, 3310, 3501, 3890, 4965, 5835, 5958, 6289, 7002, 7391, 9930, 11670, 12578, 14782, 14895, 17505, 18867, 22173, 29790, 31445, 35010, 36955, 37734, 44346, 56601, 62890, 66519, 73910, 94335, 110865, 113202, 128759, 133038, 188670, 221730, 257518, 283005, 332595, 386277, 566010, 643795, 665190, 772554, 1158831, 1287590, 1931385, 2317662, 2446421, 3862770, 4892842, 5794155, 7339263, 11588310, 12232105, 14678526, 22017789, 24464210, 36696315, 44035578, 73392630, 110088945, 220177890]

約数ペア:

[(1, 220177890), (2, 110088945), (3, 73392630), (5, 44035578), (6, 36696315), (9, 24464210), (10, 22017789), (15, 14678526), (18, 12232105), (19, 11588310), (30, 7339263), (38, 5794155), (45, 4892842), (57, 3862770), (90, 2446421), (95, 2317662), (114, 1931385), (171, 1287590), (190, 1158831), (285, 772554), (331, 665190), (342, 643795), (389, 566010), (570, 386277), (662, 332595), (778, 283005), (855, 257518), (993, 221730), (1167, 188670), (1655, 133038), (1710, 128759), (1945, 113202), (1986, 110865), (2334, 94335), (2979, 73910), (3310, 66519), (3501, 62890), (3890, 56601), (4965, 44346), (5835, 37734), (5958, 36955), (6289, 35010), (7002, 31445), (7391, 29790), (9930, 22173), (11670, 18867), (12578, 17505), (14782, 14895)]