2019938750

素因数分解:

$2^1\times 5^4\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:591

約数の個数: 80

約数和(自身を含む): 3922182000

約数和(自身を除く): 1902243250

約数列:

[1, 2, 5, 10, 25, 50, 59, 61, 118, 122, 125, 250, 295, 305, 449, 590, 610, 625, 898, 1250, 1475, 1525, 2245, 2950, 3050, 3599, 4490, 7198, 7375, 7625, 11225, 14750, 15250, 17995, 22450, 26491, 27389, 35990, 36875, 38125, 52982, 54778, 56125, 73750, 76250, 89975, 112250, 132455, 136945, 179950, 264910, 273890, 280625, 449875, 561250, 662275, 684725, 899750, 1324550, 1369450, 1615951, 2249375, 3231902, 3311375, 3423625, 4498750, 6622750, 6847250, 8079755, 16159510, 16556875, 17118125, 33113750, 34236250, 40398775, 80797550, 201993875, 403987750, 1009969375, 2019938750]

約数ペア:

[(1, 2019938750), (2, 1009969375), (5, 403987750), (10, 201993875), (25, 80797550), (50, 40398775), (59, 34236250), (61, 33113750), (118, 17118125), (122, 16556875), (125, 16159510), (250, 8079755), (295, 6847250), (305, 6622750), (449, 4498750), (590, 3423625), (610, 3311375), (625, 3231902), (898, 2249375), (1250, 1615951), (1475, 1369450), (1525, 1324550), (2245, 899750), (2950, 684725), (3050, 662275), (3599, 561250), (4490, 449875), (7198, 280625), (7375, 273890), (7625, 264910), (11225, 179950), (14750, 136945), (15250, 132455), (17995, 112250), (22450, 89975), (26491, 76250), (27389, 73750), (35990, 56125), (36875, 54778), (38125, 52982)]