651950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:101

約数の個数: 48

約数和(自身を含む): 1406160

約数和(自身を除く): 754210

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 59, 65, 85, 118, 130, 170, 221, 295, 325, 425, 442, 590, 650, 767, 850, 1003, 1105, 1475, 1534, 2006, 2210, 2950, 3835, 5015, 5525, 7670, 10030, 11050, 13039, 19175, 25075, 26078, 38350, 50150, 65195, 130390, 325975, 651950]

約数ペア:

[(1, 651950), (2, 325975), (5, 130390), (10, 65195), (13, 50150), (17, 38350), (25, 26078), (26, 25075), (34, 19175), (50, 13039), (59, 11050), (65, 10030), (85, 7670), (118, 5525), (130, 5015), (170, 3835), (221, 2950), (295, 2210), (325, 2006), (425, 1534), (442, 1475), (590, 1105), (650, 1003), (767, 850)]