15779640980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{929}}^1\times {\mathrm{44699}}^1$

素因数の和:45656

約数の個数: 48

約数和(自身を含む): 34919640000

約数和(自身を除く): 19139999020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 929, 1858, 3716, 4645, 9290, 17651, 18580, 35302, 44699, 70604, 88255, 89398, 176510, 178796, 223495, 353020, 446990, 849281, 893980, 1698562, 3397124, 4246405, 8492810, 16985620, 41525371, 83050742, 166101484, 207626855, 415253710, 788982049, 830507420, 1577964098, 3155928196, 3944910245, 7889820490, 15779640980]

約数ペア:

[(1, 15779640980), (2, 7889820490), (4, 3944910245), (5, 3155928196), (10, 1577964098), (19, 830507420), (20, 788982049), (38, 415253710), (76, 207626855), (95, 166101484), (190, 83050742), (380, 41525371), (929, 16985620), (1858, 8492810), (3716, 4246405), (4645, 3397124), (9290, 1698562), (17651, 893980), (18580, 849281), (35302, 446990), (44699, 353020), (70604, 223495), (88255, 178796), (89398, 176510)]