669222730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{857}}^1$

素因数の和:1135

約数の個数: 64

約数和(自身を含む): 1364014080

約数和(自身を除く): 694791350

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 229, 310, 341, 458, 682, 857, 1145, 1705, 1714, 2290, 2519, 3410, 4285, 5038, 7099, 8570, 9427, 12595, 14198, 18854, 25190, 26567, 35495, 47135, 53134, 70990, 78089, 94270, 132835, 156178, 196253, 265670, 292237, 390445, 392506, 584474, 780890, 981265, 1461185, 1962530, 2158783, 2922370, 4317566, 6083843, 10793915, 12167686, 21587830, 30419215, 60838430, 66922273, 133844546, 334611365, 669222730]

約数ペア:

[(1, 669222730), (2, 334611365), (5, 133844546), (10, 66922273), (11, 60838430), (22, 30419215), (31, 21587830), (55, 12167686), (62, 10793915), (110, 6083843), (155, 4317566), (229, 2922370), (310, 2158783), (341, 1962530), (458, 1461185), (682, 981265), (857, 780890), (1145, 584474), (1705, 392506), (1714, 390445), (2290, 292237), (2519, 265670), (3410, 196253), (4285, 156178), (5038, 132835), (7099, 94270), (8570, 78089), (9427, 70990), (12595, 53134), (14198, 47135), (18854, 35495), (25190, 26567)]