983450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:131

約数の個数: 48

約数和(自身を含む): 2109240

約数和(自身を除く): 1125790

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 89, 130, 170, 178, 221, 325, 425, 442, 445, 650, 850, 890, 1105, 1157, 1513, 2210, 2225, 2314, 3026, 4450, 5525, 5785, 7565, 11050, 11570, 15130, 19669, 28925, 37825, 39338, 57850, 75650, 98345, 196690, 491725, 983450]

約数ペア:

[(1, 983450), (2, 491725), (5, 196690), (10, 98345), (13, 75650), (17, 57850), (25, 39338), (26, 37825), (34, 28925), (50, 19669), (65, 15130), (85, 11570), (89, 11050), (130, 7565), (170, 5785), (178, 5525), (221, 4450), (325, 3026), (425, 2314), (442, 2225), (445, 2210), (650, 1513), (850, 1157), (890, 1105)]