281239368

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 773376000

約数和(自身を除く): 492136632

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 37, 38, 57, 74, 76, 79, 111, 114, 148, 152, 158, 211, 222, 228, 237, 296, 316, 422, 444, 456, 474, 632, 633, 703, 844, 888, 948, 1266, 1406, 1501, 1688, 1896, 2109, 2532, 2812, 2923, 3002, 4009, 4218, 4503, 5064, 5624, 5846, 6004, 7807, 8018, 8436, 8769, 9006, 11692, 12008, 12027, 15614, 16036, 16669, 16872, 17538, 18012, 23384, 23421, 24054, 31228, 32072, 33338, 35076, 36024, 46842, 48108, 50007, 55537, 62456, 66676, 70152, 93684, 96216, 100014, 111074, 133352, 148333, 166611, 187368, 200028, 222148, 296666, 316711, 333222, 400056, 444296, 444999, 593332, 616753, 633422, 666444, 889998, 950133, 1186664, 1233506, 1266844, 1332888, 1779996, 1850259, 1900266, 2467012, 2533688, 3559992, 3700518, 3800532, 4934024, 7401036, 7601064, 11718307, 14802072, 23436614, 35154921, 46873228, 70309842, 93746456, 140619684, 281239368]

約数ペア:

[(1, 281239368), (2, 140619684), (3, 93746456), (4, 70309842), (6, 46873228), (8, 35154921), (12, 23436614), (19, 14802072), (24, 11718307), (37, 7601064), (38, 7401036), (57, 4934024), (74, 3800532), (76, 3700518), (79, 3559992), (111, 2533688), (114, 2467012), (148, 1900266), (152, 1850259), (158, 1779996), (211, 1332888), (222, 1266844), (228, 1233506), (237, 1186664), (296, 950133), (316, 889998), (422, 666444), (444, 633422), (456, 616753), (474, 593332), (632, 444999), (633, 444296), (703, 400056), (844, 333222), (888, 316711), (948, 296666), (1266, 222148), (1406, 200028), (1501, 187368), (1688, 166611), (1896, 148333), (2109, 133352), (2532, 111074), (2812, 100014), (2923, 96216), (3002, 93684), (4009, 70152), (4218, 66676), (4503, 62456), (5064, 55537), (5624, 50007), (5846, 48108), (6004, 46842), (7807, 36024), (8018, 35076), (8436, 33338), (8769, 32072), (9006, 31228), (11692, 24054), (12008, 23421), (12027, 23384), (15614, 18012), (16036, 17538), (16669, 16872)]