221735220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{527941}}^1$

素因数の和:527960

約数の個数: 48

約数和(自身を含む): 709554048

約数和(自身を除く): 487818828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 527941, 1055882, 1583823, 2111764, 2639705, 3167646, 3695587, 5279410, 6335292, 7391174, 7919115, 10558820, 11086761, 14782348, 15838230, 18477935, 22173522, 31676460, 36955870, 44347044, 55433805, 73911740, 110867610, 221735220]

約数ペア:

[(1, 221735220), (2, 110867610), (3, 73911740), (4, 55433805), (5, 44347044), (6, 36955870), (7, 31676460), (10, 22173522), (12, 18477935), (14, 15838230), (15, 14782348), (20, 11086761), (21, 10558820), (28, 7919115), (30, 7391174), (35, 6335292), (42, 5279410), (60, 3695587), (70, 3167646), (84, 2639705), (105, 2111764), (140, 1583823), (210, 1055882), (420, 527941)]