89180180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1733}}^1$

素因数の和:1856

約数の個数: 48

約数和(自身を含む): 195761664

約数和(自身を除く): 106581484

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 155, 166, 310, 332, 415, 620, 830, 1660, 1733, 2573, 3466, 5146, 6932, 8665, 10292, 12865, 17330, 25730, 34660, 51460, 53723, 107446, 143839, 214892, 268615, 287678, 537230, 575356, 719195, 1074460, 1438390, 2876780, 4459009, 8918018, 17836036, 22295045, 44590090, 89180180]

約数ペア:

[(1, 89180180), (2, 44590090), (4, 22295045), (5, 17836036), (10, 8918018), (20, 4459009), (31, 2876780), (62, 1438390), (83, 1074460), (124, 719195), (155, 575356), (166, 537230), (310, 287678), (332, 268615), (415, 214892), (620, 143839), (830, 107446), (1660, 53723), (1733, 51460), (2573, 34660), (3466, 25730), (5146, 17330), (6932, 12865), (8665, 10292)]