145165340

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{557}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 311042592

約数和(自身を除く): 165877252

約数列:

[1, 2, 4, 5, 10, 20, 83, 157, 166, 314, 332, 415, 557, 628, 785, 830, 1114, 1570, 1660, 2228, 2785, 3140, 5570, 11140, 13031, 26062, 46231, 52124, 65155, 87449, 92462, 130310, 174898, 184924, 231155, 260620, 349796, 437245, 462310, 874490, 924620, 1748980, 7258267, 14516534, 29033068, 36291335, 72582670, 145165340]

約数ペア:

[(1, 145165340), (2, 72582670), (4, 36291335), (5, 29033068), (10, 14516534), (20, 7258267), (83, 1748980), (157, 924620), (166, 874490), (314, 462310), (332, 437245), (415, 349796), (557, 260620), (628, 231155), (785, 184924), (830, 174898), (1114, 130310), (1570, 92462), (1660, 87449), (2228, 65155), (2785, 52124), (3140, 46231), (5570, 26062), (11140, 13031)]