1640400283590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{140565577}}^1$

素因数の和:140565976

約数の個数: 32

約数和(自身を含む): 3947081430240

約数和(自身を除く): 2306681146650

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 389, 778, 1167, 1945, 2334, 3890, 5835, 11670, 140565577, 281131154, 421696731, 702827885, 843393462, 1405655770, 2108483655, 4216967310, 54680009453, 109360018906, 164040028359, 273400047265, 328080056718, 546800094530, 820200141795, 1640400283590]

約数ペア:

[(1, 1640400283590), (2, 820200141795), (3, 546800094530), (5, 328080056718), (6, 273400047265), (10, 164040028359), (15, 109360018906), (30, 54680009453), (389, 4216967310), (778, 2108483655), (1167, 1405655770), (1945, 843393462), (2334, 702827885), (3890, 421696731), (5835, 281131154), (11670, 140565577)]