87434350

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:445

約数の個数: 48

約数和(自身を含む): 167444640

約数和(自身を除く): 80010290

約数列:

[1, 2, 5, 10, 25, 50, 61, 109, 122, 218, 263, 305, 526, 545, 610, 1090, 1315, 1525, 2630, 2725, 3050, 5450, 6575, 6649, 13150, 13298, 16043, 28667, 32086, 33245, 57334, 66490, 80215, 143335, 160430, 166225, 286670, 332450, 401075, 716675, 802150, 1433350, 1748687, 3497374, 8743435, 17486870, 43717175, 87434350]

約数ペア:

[(1, 87434350), (2, 43717175), (5, 17486870), (10, 8743435), (25, 3497374), (50, 1748687), (61, 1433350), (109, 802150), (122, 716675), (218, 401075), (263, 332450), (305, 286670), (526, 166225), (545, 160430), (610, 143335), (1090, 80215), (1315, 66490), (1525, 57334), (2630, 33245), (2725, 32086), (3050, 28667), (5450, 16043), (6575, 13298), (6649, 13150)]