398727175

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4817}}^1$

素因数の和:4888

約数の個数: 48

約数和(自身を含む): 630888192

約数和(自身を除く): 232161017

約数列:

[1, 5, 7, 11, 25, 35, 43, 55, 77, 175, 215, 275, 301, 385, 473, 1075, 1505, 1925, 2365, 3311, 4817, 7525, 11825, 16555, 24085, 33719, 52987, 82775, 120425, 168595, 207131, 264935, 370909, 842975, 1035655, 1324675, 1449917, 1854545, 2278441, 5178275, 7249585, 9272725, 11392205, 15949087, 36247925, 56961025, 79745435, 398727175]

約数ペア:

[(1, 398727175), (5, 79745435), (7, 56961025), (11, 36247925), (25, 15949087), (35, 11392205), (43, 9272725), (55, 7249585), (77, 5178275), (175, 2278441), (215, 1854545), (275, 1449917), (301, 1324675), (385, 1035655), (473, 842975), (1075, 370909), (1505, 264935), (1925, 207131), (2365, 168595), (3311, 120425), (4817, 82775), (7525, 52987), (11825, 33719), (16555, 24085)]