349483640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:561

約数の個数: 128

約数和(自身を含む): 903960000

約数和(自身を除く): 554476360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 61, 88, 110, 116, 122, 145, 220, 232, 244, 290, 305, 319, 440, 449, 488, 580, 610, 638, 671, 898, 1160, 1220, 1276, 1342, 1595, 1769, 1796, 2245, 2440, 2552, 2684, 3190, 3355, 3538, 3592, 4490, 4939, 5368, 6380, 6710, 7076, 8845, 8980, 9878, 12760, 13021, 13420, 14152, 17690, 17960, 19459, 19756, 24695, 26042, 26840, 27389, 35380, 38918, 39512, 49390, 52084, 54778, 65105, 70760, 77836, 97295, 98780, 104168, 109556, 130210, 136945, 143231, 155672, 194590, 197560, 219112, 260420, 273890, 286462, 301279, 389180, 520840, 547780, 572924, 602558, 716155, 778360, 794281, 1095560, 1145848, 1205116, 1432310, 1506395, 1588562, 2410232, 2864620, 3012790, 3177124, 3971405, 5729240, 6025580, 6354248, 7942810, 8737091, 12051160, 15885620, 17474182, 31771240, 34948364, 43685455, 69896728, 87370910, 174741820, 349483640]

約数ペア:

[(1, 349483640), (2, 174741820), (4, 87370910), (5, 69896728), (8, 43685455), (10, 34948364), (11, 31771240), (20, 17474182), (22, 15885620), (29, 12051160), (40, 8737091), (44, 7942810), (55, 6354248), (58, 6025580), (61, 5729240), (88, 3971405), (110, 3177124), (116, 3012790), (122, 2864620), (145, 2410232), (220, 1588562), (232, 1506395), (244, 1432310), (290, 1205116), (305, 1145848), (319, 1095560), (440, 794281), (449, 778360), (488, 716155), (580, 602558), (610, 572924), (638, 547780), (671, 520840), (898, 389180), (1160, 301279), (1220, 286462), (1276, 273890), (1342, 260420), (1595, 219112), (1769, 197560), (1796, 194590), (2245, 155672), (2440, 143231), (2552, 136945), (2684, 130210), (3190, 109556), (3355, 104168), (3538, 98780), (3592, 97295), (4490, 77836), (4939, 70760), (5368, 65105), (6380, 54778), (6710, 52084), (7076, 49390), (8845, 39512), (8980, 38918), (9878, 35380), (12760, 27389), (13021, 26840), (13420, 26042), (14152, 24695), (17690, 19756), (17960, 19459)]