180789050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16361}}^1$

素因数の和:16403

約数の個数: 48

約数和(自身を含む): 383459832

約数和(自身を除く): 202670782

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 2210, 5525, 11050, 16361, 32722, 81805, 163610, 212693, 278137, 409025, 425386, 556274, 818050, 1063465, 1390685, 2126930, 2781370, 3615781, 5317325, 6953425, 7231562, 10634650, 13906850, 18078905, 36157810, 90394525, 180789050]

約数ペア:

[(1, 180789050), (2, 90394525), (5, 36157810), (10, 18078905), (13, 13906850), (17, 10634650), (25, 7231562), (26, 6953425), (34, 5317325), (50, 3615781), (65, 2781370), (85, 2126930), (130, 1390685), (170, 1063465), (221, 818050), (325, 556274), (425, 425386), (442, 409025), (650, 278137), (850, 212693), (1105, 163610), (2210, 81805), (5525, 32722), (11050, 16361)]