215804950

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4801}}^1$

素因数の和:4873

約数の個数: 48

約数和(自身を含む): 428722560

約数和(自身を除く): 212917610

約数列:

[1, 2, 5, 10, 25, 29, 31, 50, 58, 62, 145, 155, 290, 310, 725, 775, 899, 1450, 1550, 1798, 4495, 4801, 8990, 9602, 22475, 24005, 44950, 48010, 120025, 139229, 148831, 240050, 278458, 297662, 696145, 744155, 1392290, 1488310, 3480725, 3720775, 4316099, 6961450, 7441550, 8632198, 21580495, 43160990, 107902475, 215804950]

約数ペア:

[(1, 215804950), (2, 107902475), (5, 43160990), (10, 21580495), (25, 8632198), (29, 7441550), (31, 6961450), (50, 4316099), (58, 3720775), (62, 3480725), (145, 1488310), (155, 1392290), (290, 744155), (310, 696145), (725, 297662), (775, 278458), (899, 240050), (1450, 148831), (1550, 139229), (1798, 120025), (4495, 48010), (4801, 44950), (8990, 24005), (9602, 22475)]