121399664

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:358

約数の個数: 80

約数和(自身を含む): 261233280

約数和(自身を除く): 139833616

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 43, 74, 76, 86, 148, 152, 172, 251, 296, 304, 344, 502, 592, 688, 703, 817, 1004, 1406, 1591, 1634, 2008, 2812, 3182, 3268, 4016, 4769, 5624, 6364, 6536, 9287, 9538, 10793, 11248, 12728, 13072, 18574, 19076, 21586, 25456, 30229, 37148, 38152, 43172, 60458, 74296, 76304, 86344, 120916, 148592, 172688, 176453, 205067, 241832, 352906, 399341, 410134, 483664, 705812, 798682, 820268, 1411624, 1597364, 1640536, 2823248, 3194728, 3281072, 6389456, 7587479, 15174958, 30349916, 60699832, 121399664]

約数ペア:

[(1, 121399664), (2, 60699832), (4, 30349916), (8, 15174958), (16, 7587479), (19, 6389456), (37, 3281072), (38, 3194728), (43, 2823248), (74, 1640536), (76, 1597364), (86, 1411624), (148, 820268), (152, 798682), (172, 705812), (251, 483664), (296, 410134), (304, 399341), (344, 352906), (502, 241832), (592, 205067), (688, 176453), (703, 172688), (817, 148592), (1004, 120916), (1406, 86344), (1591, 76304), (1634, 74296), (2008, 60458), (2812, 43172), (3182, 38152), (3268, 37148), (4016, 30229), (4769, 25456), (5624, 21586), (6364, 19076), (6536, 18574), (9287, 13072), (9538, 12728), (10793, 11248)]