4280250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 11531520

約数和(自身を除く): 7251270

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 439, 650, 750, 878, 975, 1317, 1625, 1950, 2195, 2634, 3250, 4390, 4875, 5707, 6585, 9750, 10975, 11414, 13170, 17121, 21950, 28535, 32925, 34242, 54875, 57070, 65850, 85605, 109750, 142675, 164625, 171210, 285350, 329250, 428025, 713375, 856050, 1426750, 2140125, 4280250]

約数ペア:

[(1, 4280250), (2, 2140125), (3, 1426750), (5, 856050), (6, 713375), (10, 428025), (13, 329250), (15, 285350), (25, 171210), (26, 164625), (30, 142675), (39, 109750), (50, 85605), (65, 65850), (75, 57070), (78, 54875), (125, 34242), (130, 32925), (150, 28535), (195, 21950), (250, 17121), (325, 13170), (375, 11414), (390, 10975), (439, 9750), (650, 6585), (750, 5707), (878, 4875), (975, 4390), (1317, 3250), (1625, 2634), (1950, 2195)]