2987122040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{146141}}^1$

素因数の和:146232

約数の個数: 64

約数和(自身を含む): 7786445760

約数和(自身を除く): 4799323720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 4088, 5110, 10220, 20440, 146141, 292282, 584564, 730705, 1022987, 1169128, 1461410, 2045974, 2922820, 4091948, 5114935, 5845640, 8183896, 10229870, 10668293, 20459740, 21336586, 40919480, 42673172, 53341465, 74678051, 85346344, 106682930, 149356102, 213365860, 298712204, 373390255, 426731720, 597424408, 746780510, 1493561020, 2987122040]

約数ペア:

[(1, 2987122040), (2, 1493561020), (4, 746780510), (5, 597424408), (7, 426731720), (8, 373390255), (10, 298712204), (14, 213365860), (20, 149356102), (28, 106682930), (35, 85346344), (40, 74678051), (56, 53341465), (70, 42673172), (73, 40919480), (140, 21336586), (146, 20459740), (280, 10668293), (292, 10229870), (365, 8183896), (511, 5845640), (584, 5114935), (730, 4091948), (1022, 2922820), (1460, 2045974), (2044, 1461410), (2555, 1169128), (2920, 1022987), (4088, 730705), (5110, 584564), (10220, 292282), (20440, 146141)]