1290298750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{293}}^1$

素因数の和:599

約数の個数: 80

約数和(自身を含む): 2623110336

約数和(自身を除く): 1332811586

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 271, 293, 325, 542, 586, 625, 650, 1250, 1355, 1465, 1625, 2710, 2930, 3250, 3523, 3809, 6775, 7046, 7325, 7618, 8125, 13550, 14650, 16250, 17615, 19045, 33875, 35230, 36625, 38090, 67750, 73250, 79403, 88075, 95225, 158806, 169375, 176150, 183125, 190450, 338750, 366250, 397015, 440375, 476125, 794030, 880750, 952250, 1032239, 1985075, 2064478, 2201875, 2380625, 3970150, 4403750, 4761250, 5161195, 9925375, 10322390, 19850750, 25805975, 49626875, 51611950, 99253750, 129029875, 258059750, 645149375, 1290298750]

約数ペア:

[(1, 1290298750), (2, 645149375), (5, 258059750), (10, 129029875), (13, 99253750), (25, 51611950), (26, 49626875), (50, 25805975), (65, 19850750), (125, 10322390), (130, 9925375), (250, 5161195), (271, 4761250), (293, 4403750), (325, 3970150), (542, 2380625), (586, 2201875), (625, 2064478), (650, 1985075), (1250, 1032239), (1355, 952250), (1465, 880750), (1625, 794030), (2710, 476125), (2930, 440375), (3250, 397015), (3523, 366250), (3809, 338750), (6775, 190450), (7046, 183125), (7325, 176150), (7618, 169375), (8125, 158806), (13550, 95225), (14650, 88075), (16250, 79403), (17615, 73250), (19045, 67750), (33875, 38090), (35230, 36625)]