280350776

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{631}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 576384000

約数和(自身を除く): 296033224

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 79, 148, 152, 158, 296, 316, 631, 632, 703, 1262, 1406, 1501, 2524, 2812, 2923, 3002, 5048, 5624, 5846, 6004, 11692, 11989, 12008, 23347, 23384, 23978, 46694, 47956, 49849, 55537, 93388, 95912, 99698, 111074, 186776, 199396, 222148, 398792, 443593, 444296, 887186, 947131, 1774372, 1844413, 1894262, 3548744, 3688826, 3788524, 7377652, 7577048, 14755304, 35043847, 70087694, 140175388, 280350776]

約数ペア:

[(1, 280350776), (2, 140175388), (4, 70087694), (8, 35043847), (19, 14755304), (37, 7577048), (38, 7377652), (74, 3788524), (76, 3688826), (79, 3548744), (148, 1894262), (152, 1844413), (158, 1774372), (296, 947131), (316, 887186), (631, 444296), (632, 443593), (703, 398792), (1262, 222148), (1406, 199396), (1501, 186776), (2524, 111074), (2812, 99698), (2923, 95912), (3002, 93388), (5048, 55537), (5624, 49849), (5846, 47956), (6004, 46694), (11692, 23978), (11989, 23384), (12008, 23347)]