208366240

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{577}}^1$

素因数の和:690

約数の個数: 96

約数和(自身を含む): 514748304

約数和(自身を除く): 306382064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 61, 74, 80, 122, 148, 160, 185, 244, 296, 305, 370, 488, 577, 592, 610, 740, 976, 1154, 1184, 1220, 1480, 1952, 2257, 2308, 2440, 2885, 2960, 4514, 4616, 4880, 5770, 5920, 9028, 9232, 9760, 11285, 11540, 18056, 18464, 21349, 22570, 23080, 35197, 36112, 42698, 45140, 46160, 70394, 72224, 85396, 90280, 92320, 106745, 140788, 170792, 175985, 180560, 213490, 281576, 341584, 351970, 361120, 426980, 563152, 683168, 703940, 853960, 1126304, 1302289, 1407880, 1707920, 2604578, 2815760, 3415840, 5209156, 5631520, 6511445, 10418312, 13022890, 20836624, 26045780, 41673248, 52091560, 104183120, 208366240]

約数ペア:

[(1, 208366240), (2, 104183120), (4, 52091560), (5, 41673248), (8, 26045780), (10, 20836624), (16, 13022890), (20, 10418312), (32, 6511445), (37, 5631520), (40, 5209156), (61, 3415840), (74, 2815760), (80, 2604578), (122, 1707920), (148, 1407880), (160, 1302289), (185, 1126304), (244, 853960), (296, 703940), (305, 683168), (370, 563152), (488, 426980), (577, 361120), (592, 351970), (610, 341584), (740, 281576), (976, 213490), (1154, 180560), (1184, 175985), (1220, 170792), (1480, 140788), (1952, 106745), (2257, 92320), (2308, 90280), (2440, 85396), (2885, 72224), (2960, 70394), (4514, 46160), (4616, 45140), (4880, 42698), (5770, 36112), (5920, 35197), (9028, 23080), (9232, 22570), (9760, 21349), (11285, 18464), (11540, 18056)]