207789140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{4903}}^1$

素因数の和:5088

約数の個数: 48

約数和(自身を含む): 472902528

約数和(自身を除く): 265113388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 163, 260, 326, 652, 815, 1630, 2119, 3260, 4238, 4903, 8476, 9806, 10595, 19612, 21190, 24515, 42380, 49030, 63739, 98060, 127478, 254956, 318695, 637390, 799189, 1274780, 1598378, 3196756, 3995945, 7991890, 10389457, 15983780, 20778914, 41557828, 51947285, 103894570, 207789140]

約数ペア:

[(1, 207789140), (2, 103894570), (4, 51947285), (5, 41557828), (10, 20778914), (13, 15983780), (20, 10389457), (26, 7991890), (52, 3995945), (65, 3196756), (130, 1598378), (163, 1274780), (260, 799189), (326, 637390), (652, 318695), (815, 254956), (1630, 127478), (2119, 98060), (3260, 63739), (4238, 49030), (4903, 42380), (8476, 24515), (9806, 21190), (10595, 19612)]