208283140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{9001}}^1$

素因数の和:9112

約数の個数: 48

約数和(自身を含む): 476385840

約数和(自身を除く): 268102700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 4628, 5785, 9001, 11570, 18002, 23140, 36004, 45005, 90010, 117013, 180020, 234026, 468052, 585065, 801089, 1170130, 1602178, 2340260, 3204356, 4005445, 8010890, 10414157, 16021780, 20828314, 41656628, 52070785, 104141570, 208283140]

約数ペア:

[(1, 208283140), (2, 104141570), (4, 52070785), (5, 41656628), (10, 20828314), (13, 16021780), (20, 10414157), (26, 8010890), (52, 4005445), (65, 3204356), (89, 2340260), (130, 1602178), (178, 1170130), (260, 801089), (356, 585065), (445, 468052), (890, 234026), (1157, 180020), (1780, 117013), (2314, 90010), (4628, 45005), (5785, 36004), (9001, 23140), (11570, 18002)]