220915456

素因数分解:

$2^8\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:417

約数の個数: 72

約数和(自身を含む): 459973584

約数和(自身を除く): 239058128

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 83, 128, 148, 166, 256, 281, 296, 332, 562, 592, 664, 1124, 1184, 1328, 2248, 2368, 2656, 3071, 4496, 4736, 5312, 6142, 8992, 9472, 10397, 10624, 12284, 17984, 20794, 21248, 23323, 24568, 35968, 41588, 46646, 49136, 71936, 83176, 93292, 98272, 166352, 186584, 196544, 332704, 373168, 393088, 665408, 746336, 786176, 862951, 1330816, 1492672, 1725902, 2661632, 2985344, 3451804, 5970688, 6903608, 13807216, 27614432, 55228864, 110457728, 220915456]

約数ペア:

[(1, 220915456), (2, 110457728), (4, 55228864), (8, 27614432), (16, 13807216), (32, 6903608), (37, 5970688), (64, 3451804), (74, 2985344), (83, 2661632), (128, 1725902), (148, 1492672), (166, 1330816), (256, 862951), (281, 786176), (296, 746336), (332, 665408), (562, 393088), (592, 373168), (664, 332704), (1124, 196544), (1184, 186584), (1328, 166352), (2248, 98272), (2368, 93292), (2656, 83176), (3071, 71936), (4496, 49136), (4736, 46646), (5312, 41588), (6142, 35968), (8992, 24568), (9472, 23323), (10397, 21248), (10624, 20794), (12284, 17984)]