201988890

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{823}}^1$

素因数の和:946

約数の個数: 96

約数和(自身を含む): 550682496

約数和(自身を除く): 348693606

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 101, 135, 162, 202, 243, 270, 303, 405, 486, 505, 606, 810, 823, 909, 1010, 1215, 1515, 1646, 1818, 2430, 2469, 2727, 3030, 4115, 4545, 4938, 5454, 7407, 8181, 8230, 9090, 12345, 13635, 14814, 16362, 22221, 24543, 24690, 27270, 37035, 40905, 44442, 49086, 66663, 74070, 81810, 83123, 111105, 122715, 133326, 166246, 199989, 222210, 245430, 249369, 333315, 399978, 415615, 498738, 666630, 748107, 831230, 999945, 1246845, 1496214, 1999890, 2244321, 2493690, 3740535, 4488642, 6732963, 7481070, 11221605, 13465926, 20198889, 22443210, 33664815, 40397778, 67329630, 100994445, 201988890]

約数ペア:

[(1, 201988890), (2, 100994445), (3, 67329630), (5, 40397778), (6, 33664815), (9, 22443210), (10, 20198889), (15, 13465926), (18, 11221605), (27, 7481070), (30, 6732963), (45, 4488642), (54, 3740535), (81, 2493690), (90, 2244321), (101, 1999890), (135, 1496214), (162, 1246845), (202, 999945), (243, 831230), (270, 748107), (303, 666630), (405, 498738), (486, 415615), (505, 399978), (606, 333315), (810, 249369), (823, 245430), (909, 222210), (1010, 199989), (1215, 166246), (1515, 133326), (1646, 122715), (1818, 111105), (2430, 83123), (2469, 81810), (2727, 74070), (3030, 66663), (4115, 49086), (4545, 44442), (4938, 40905), (5454, 37035), (7407, 27270), (8181, 24690), (8230, 24543), (9090, 22221), (12345, 16362), (13635, 14814)]