30309980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{373}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 67858560

約数和(自身を除く): 37548580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 239, 340, 373, 478, 746, 956, 1195, 1492, 1865, 2390, 3730, 4063, 4780, 6341, 7460, 8126, 12682, 16252, 20315, 25364, 31705, 40630, 63410, 81260, 89147, 126820, 178294, 356588, 445735, 891470, 1515499, 1782940, 3030998, 6061996, 7577495, 15154990, 30309980]

約数ペア:

[(1, 30309980), (2, 15154990), (4, 7577495), (5, 6061996), (10, 3030998), (17, 1782940), (20, 1515499), (34, 891470), (68, 445735), (85, 356588), (170, 178294), (239, 126820), (340, 89147), (373, 81260), (478, 63410), (746, 40630), (956, 31705), (1195, 25364), (1492, 20315), (1865, 16252), (2390, 12682), (3730, 8126), (4063, 7460), (4780, 6341)]