30820250

素因数分解:

$2^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 61281792

約数和(自身を除く): 30461542

約数列:

[1, 2, 5, 10, 25, 43, 47, 50, 61, 86, 94, 122, 125, 215, 235, 250, 305, 430, 470, 610, 1075, 1175, 1525, 2021, 2150, 2350, 2623, 2867, 3050, 4042, 5246, 5375, 5734, 5875, 7625, 10105, 10750, 11750, 13115, 14335, 15250, 20210, 26230, 28670, 50525, 65575, 71675, 101050, 123281, 131150, 143350, 246562, 252625, 327875, 358375, 505250, 616405, 655750, 716750, 1232810, 3082025, 6164050, 15410125, 30820250]

約数ペア:

[(1, 30820250), (2, 15410125), (5, 6164050), (10, 3082025), (25, 1232810), (43, 716750), (47, 655750), (50, 616405), (61, 505250), (86, 358375), (94, 327875), (122, 252625), (125, 246562), (215, 143350), (235, 131150), (250, 123281), (305, 101050), (430, 71675), (470, 65575), (610, 50525), (1075, 28670), (1175, 26230), (1525, 20210), (2021, 15250), (2150, 14335), (2350, 13115), (2623, 11750), (2867, 10750), (3050, 10105), (4042, 7625), (5246, 5875), (5375, 5734)]