978228290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1\times {\mathrm{829}}^1$

素因数の和:1191

約数の個数: 64

約数和(自身を含む): 1970287200

約数和(自身を除く): 992058910

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 313, 377, 626, 754, 829, 1565, 1658, 1885, 3130, 3770, 4069, 4145, 8138, 8290, 9077, 10777, 18154, 20345, 21554, 24041, 40690, 45385, 48082, 53885, 90770, 107770, 118001, 120205, 236002, 240410, 259477, 312533, 518954, 590005, 625066, 1180010, 1297385, 1562665, 2594770, 3125330, 3373201, 6746402, 7524833, 15049666, 16866005, 33732010, 37624165, 75248330, 97822829, 195645658, 489114145, 978228290]

約数ペア:

[(1, 978228290), (2, 489114145), (5, 195645658), (10, 97822829), (13, 75248330), (26, 37624165), (29, 33732010), (58, 16866005), (65, 15049666), (130, 7524833), (145, 6746402), (290, 3373201), (313, 3125330), (377, 2594770), (626, 1562665), (754, 1297385), (829, 1180010), (1565, 625066), (1658, 590005), (1885, 518954), (3130, 312533), (3770, 259477), (4069, 240410), (4145, 236002), (8138, 120205), (8290, 118001), (9077, 107770), (10777, 90770), (18154, 53885), (20345, 48082), (21554, 45385), (24041, 40690)]