1555852040

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1\times {\mathrm{929}}^1$

素因数の和:1370

約数の個数: 64

約数和(自身を含む): 3540510000

約数和(自身を除く): 1984657960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 281, 298, 562, 596, 745, 929, 1124, 1192, 1405, 1490, 1858, 2248, 2810, 2980, 3716, 4645, 5620, 5960, 7432, 9290, 11240, 18580, 37160, 41869, 83738, 138421, 167476, 209345, 261049, 276842, 334952, 418690, 522098, 553684, 692105, 837380, 1044196, 1107368, 1305245, 1384210, 1674760, 2088392, 2610490, 2768420, 5220980, 5536840, 10441960, 38896301, 77792602, 155585204, 194481505, 311170408, 388963010, 777926020, 1555852040]

約数ペア:

[(1, 1555852040), (2, 777926020), (4, 388963010), (5, 311170408), (8, 194481505), (10, 155585204), (20, 77792602), (40, 38896301), (149, 10441960), (281, 5536840), (298, 5220980), (562, 2768420), (596, 2610490), (745, 2088392), (929, 1674760), (1124, 1384210), (1192, 1305245), (1405, 1107368), (1490, 1044196), (1858, 837380), (2248, 692105), (2810, 553684), (2980, 522098), (3716, 418690), (4645, 334952), (5620, 276842), (5960, 261049), (7432, 209345), (9290, 167476), (11240, 138421), (18580, 83738), (37160, 41869)]