84897220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{919}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 185472000

約数和(自身を除く): 100574780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 298, 310, 596, 620, 745, 919, 1490, 1838, 2980, 3676, 4595, 4619, 9190, 9238, 18380, 18476, 23095, 28489, 46190, 56978, 92380, 113956, 136931, 142445, 273862, 284890, 547724, 569780, 684655, 1369310, 2738620, 4244861, 8489722, 16979444, 21224305, 42448610, 84897220]

約数ペア:

[(1, 84897220), (2, 42448610), (4, 21224305), (5, 16979444), (10, 8489722), (20, 4244861), (31, 2738620), (62, 1369310), (124, 684655), (149, 569780), (155, 547724), (298, 284890), (310, 273862), (596, 142445), (620, 136931), (745, 113956), (919, 92380), (1490, 56978), (1838, 46190), (2980, 28489), (3676, 23095), (4595, 18476), (4619, 18380), (9190, 9238)]