231517381640

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1013}}^1\times {\mathrm{8831}}^1$

素因数の和:10502

約数の個数: 64

約数和(自身を含む): 522293391360

約数和(自身を除く): 290776009720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1013, 1294, 2026, 2588, 3235, 4052, 5065, 5176, 6470, 8104, 8831, 10130, 12940, 17662, 20260, 25880, 35324, 40520, 44155, 70648, 88310, 176620, 353240, 655411, 1310822, 2621644, 3277055, 5243288, 5713657, 6554110, 8945803, 11427314, 13108220, 17891606, 22854628, 26216440, 28568285, 35783212, 44729015, 45709256, 57136570, 71566424, 89458030, 114273140, 178916060, 228546280, 357832120, 5787934541, 11575869082, 23151738164, 28939672705, 46303476328, 57879345410, 115758690820, 231517381640]

約数ペア:

[(1, 231517381640), (2, 115758690820), (4, 57879345410), (5, 46303476328), (8, 28939672705), (10, 23151738164), (20, 11575869082), (40, 5787934541), (647, 357832120), (1013, 228546280), (1294, 178916060), (2026, 114273140), (2588, 89458030), (3235, 71566424), (4052, 57136570), (5065, 45709256), (5176, 44729015), (6470, 35783212), (8104, 28568285), (8831, 26216440), (10130, 22854628), (12940, 17891606), (17662, 13108220), (20260, 11427314), (25880, 8945803), (35324, 6554110), (40520, 5713657), (44155, 5243288), (70648, 3277055), (88310, 2621644), (176620, 1310822), (353240, 655411)]