28302550

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 55242000

約数和(自身を除く): 26939450

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 131, 145, 149, 262, 290, 298, 655, 725, 745, 1310, 1450, 1490, 3275, 3725, 3799, 4321, 6550, 7450, 7598, 8642, 18995, 19519, 21605, 37990, 39038, 43210, 94975, 97595, 108025, 189950, 195190, 216050, 487975, 566051, 975950, 1132102, 2830255, 5660510, 14151275, 28302550]

約数ペア:

[(1, 28302550), (2, 14151275), (5, 5660510), (10, 2830255), (25, 1132102), (29, 975950), (50, 566051), (58, 487975), (131, 216050), (145, 195190), (149, 189950), (262, 108025), (290, 97595), (298, 94975), (655, 43210), (725, 39038), (745, 37990), (1310, 21605), (1450, 19519), (1490, 18995), (3275, 8642), (3725, 7598), (3799, 7450), (4321, 6550)]