521785550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72977}}^1$

素因数の和:73013

約数の個数: 48

約数和(自身を含む): 1140208272

約数和(自身を除く): 618422722

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 3575, 7150, 72977, 145954, 364885, 729770, 802747, 948701, 1605494, 1824425, 1897402, 3648850, 4013735, 4743505, 8027470, 9487010, 10435711, 20068675, 20871422, 23717525, 40137350, 47435050, 52178555, 104357110, 260892775, 521785550]

約数ペア:

[(1, 521785550), (2, 260892775), (5, 104357110), (10, 52178555), (11, 47435050), (13, 40137350), (22, 23717525), (25, 20871422), (26, 20068675), (50, 10435711), (55, 9487010), (65, 8027470), (110, 4743505), (130, 4013735), (143, 3648850), (275, 1897402), (286, 1824425), (325, 1605494), (550, 948701), (650, 802747), (715, 729770), (1430, 364885), (3575, 145954), (7150, 72977)]