7828730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1229}}^1$

素因数の和:1263

約数の個数: 48

約数和(自身を含む): 17667720

約数和(自身を除く): 9838990

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1229, 1274, 2458, 3185, 6145, 6370, 8603, 12290, 15977, 17206, 31954, 43015, 60221, 79885, 86030, 111839, 120442, 159770, 223678, 301105, 559195, 602210, 782873, 1118390, 1565746, 3914365, 7828730]

約数ペア:

[(1, 7828730), (2, 3914365), (5, 1565746), (7, 1118390), (10, 782873), (13, 602210), (14, 559195), (26, 301105), (35, 223678), (49, 159770), (65, 120442), (70, 111839), (91, 86030), (98, 79885), (130, 60221), (182, 43015), (245, 31954), (455, 17206), (490, 15977), (637, 12290), (910, 8603), (1229, 6370), (1274, 6145), (2458, 3185)]