89389890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{1181}}^1$

素因数の和:1252

約数の個数: 72

約数和(自身を含む): 240908148

約数和(自身を除く): 151518258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 841, 870, 1181, 1305, 1682, 2362, 2523, 2610, 3543, 4205, 5046, 5905, 7086, 7569, 8410, 10629, 11810, 12615, 15138, 17715, 21258, 25230, 34249, 35430, 37845, 53145, 68498, 75690, 102747, 106290, 171245, 205494, 308241, 342490, 513735, 616482, 993221, 1027470, 1541205, 1986442, 2979663, 3082410, 4966105, 5959326, 8938989, 9932210, 14898315, 17877978, 29796630, 44694945, 89389890]

約数ペア:

[(1, 89389890), (2, 44694945), (3, 29796630), (5, 17877978), (6, 14898315), (9, 9932210), (10, 8938989), (15, 5959326), (18, 4966105), (29, 3082410), (30, 2979663), (45, 1986442), (58, 1541205), (87, 1027470), (90, 993221), (145, 616482), (174, 513735), (261, 342490), (290, 308241), (435, 205494), (522, 171245), (841, 106290), (870, 102747), (1181, 75690), (1305, 68498), (1682, 53145), (2362, 37845), (2523, 35430), (2610, 34249), (3543, 25230), (4205, 21258), (5046, 17715), (5905, 15138), (7086, 12615), (7569, 11810), (8410, 10629)]