249021990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{395273}}^1$

素因数の和:395293

約数の個数: 48

約数和(自身を含む): 739952928

約数和(自身を除く): 490930938

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 395273, 790546, 1185819, 1976365, 2371638, 2766911, 3557457, 3952730, 5533822, 5929095, 7114914, 8300733, 11858190, 13834555, 16601466, 17787285, 24902199, 27669110, 35574570, 41503665, 49804398, 83007330, 124510995, 249021990]

約数ペア:

[(1, 249021990), (2, 124510995), (3, 83007330), (5, 49804398), (6, 41503665), (7, 35574570), (9, 27669110), (10, 24902199), (14, 17787285), (15, 16601466), (18, 13834555), (21, 11858190), (30, 8300733), (35, 7114914), (42, 5929095), (45, 5533822), (63, 3952730), (70, 3557457), (90, 2766911), (105, 2371638), (126, 1976365), (210, 1185819), (315, 790546), (630, 395273)]