39889430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:789

約数の個数: 48

約数和(自身を含む): 84312576

約数和(自身を除く): 44423146

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 127, 245, 254, 490, 635, 641, 889, 1270, 1282, 1778, 3205, 4445, 4487, 6223, 6410, 8890, 8974, 12446, 22435, 31115, 31409, 44870, 62230, 62818, 81407, 157045, 162814, 314090, 407035, 569849, 814070, 1139698, 2849245, 3988943, 5698490, 7977886, 19944715, 39889430]

約数ペア:

[(1, 39889430), (2, 19944715), (5, 7977886), (7, 5698490), (10, 3988943), (14, 2849245), (35, 1139698), (49, 814070), (70, 569849), (98, 407035), (127, 314090), (245, 162814), (254, 157045), (490, 81407), (635, 62818), (641, 62230), (889, 44870), (1270, 31409), (1282, 31115), (1778, 22435), (3205, 12446), (4445, 8974), (4487, 8890), (6223, 6410)]