280688650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{6991}}^1$

素因数の和:7087

約数の個数: 48

約数和(自身を含む): 577427328

約数和(自身を除く): 296738678

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 73, 110, 146, 275, 365, 550, 730, 803, 1606, 1825, 3650, 4015, 6991, 8030, 13982, 20075, 34955, 40150, 69910, 76901, 153802, 174775, 349550, 384505, 510343, 769010, 1020686, 1922525, 2551715, 3845050, 5103430, 5613773, 11227546, 12758575, 25517150, 28068865, 56137730, 140344325, 280688650]

約数ペア:

[(1, 280688650), (2, 140344325), (5, 56137730), (10, 28068865), (11, 25517150), (22, 12758575), (25, 11227546), (50, 5613773), (55, 5103430), (73, 3845050), (110, 2551715), (146, 1922525), (275, 1020686), (365, 769010), (550, 510343), (730, 384505), (803, 349550), (1606, 174775), (1825, 153802), (3650, 76901), (4015, 69910), (6991, 40150), (8030, 34955), (13982, 20075)]