171970040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{35531}}^1$

素因数の和:35564

約数の個数: 48

約数和(自身を含む): 425318040

約数和(自身を除く): 253348000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 35531, 71062, 142124, 177655, 284248, 355310, 390841, 710620, 781682, 1421240, 1563364, 1954205, 3126728, 3908410, 4299251, 7816820, 8598502, 15633640, 17197004, 21496255, 34394008, 42992510, 85985020, 171970040]

約数ペア:

[(1, 171970040), (2, 85985020), (4, 42992510), (5, 34394008), (8, 21496255), (10, 17197004), (11, 15633640), (20, 8598502), (22, 7816820), (40, 4299251), (44, 3908410), (55, 3126728), (88, 1954205), (110, 1563364), (121, 1421240), (220, 781682), (242, 710620), (440, 390841), (484, 355310), (605, 284248), (968, 177655), (1210, 142124), (2420, 71062), (4840, 35531)]