389241375

素因数分解:

$3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:401

約数の個数: 64

約数和(自身を含む): 672122880

約数和(自身を除く): 282881505

約数列:

[1, 3, 5, 15, 25, 43, 75, 101, 125, 129, 215, 239, 303, 375, 505, 645, 717, 1075, 1195, 1515, 2525, 3225, 3585, 4343, 5375, 5975, 7575, 10277, 12625, 13029, 16125, 17925, 21715, 24139, 29875, 30831, 37875, 51385, 65145, 72417, 89625, 108575, 120695, 154155, 256925, 325725, 362085, 542875, 603475, 770775, 1037977, 1284625, 1628625, 1810425, 3017375, 3113931, 3853875, 5189885, 9052125, 15569655, 25949425, 77848275, 129747125, 389241375]

約数ペア:

[(1, 389241375), (3, 129747125), (5, 77848275), (15, 25949425), (25, 15569655), (43, 9052125), (75, 5189885), (101, 3853875), (125, 3113931), (129, 3017375), (215, 1810425), (239, 1628625), (303, 1284625), (375, 1037977), (505, 770775), (645, 603475), (717, 542875), (1075, 362085), (1195, 325725), (1515, 256925), (2525, 154155), (3225, 120695), (3585, 108575), (4343, 89625), (5375, 72417), (5975, 65145), (7575, 51385), (10277, 37875), (12625, 30831), (13029, 29875), (16125, 24139), (17925, 21715)]