166916740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 377975808

約数和(自身を除く): 211059068

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 61, 71, 82, 94, 122, 142, 164, 188, 205, 235, 244, 284, 305, 355, 410, 470, 610, 710, 820, 940, 1220, 1420, 1927, 2501, 2867, 2911, 3337, 3854, 4331, 5002, 5734, 5822, 6674, 7708, 8662, 9635, 10004, 11468, 11644, 12505, 13348, 14335, 14555, 16685, 17324, 19270, 21655, 25010, 28670, 29110, 33370, 38540, 43310, 50020, 57340, 58220, 66740, 86620, 117547, 136817, 177571, 203557, 235094, 273634, 355142, 407114, 470188, 547268, 587735, 684085, 710284, 814228, 887855, 1017785, 1175470, 1368170, 1775710, 2035570, 2350940, 2736340, 3551420, 4071140, 8345837, 16691674, 33383348, 41729185, 83458370, 166916740]

約数ペア:

[(1, 166916740), (2, 83458370), (4, 41729185), (5, 33383348), (10, 16691674), (20, 8345837), (41, 4071140), (47, 3551420), (61, 2736340), (71, 2350940), (82, 2035570), (94, 1775710), (122, 1368170), (142, 1175470), (164, 1017785), (188, 887855), (205, 814228), (235, 710284), (244, 684085), (284, 587735), (305, 547268), (355, 470188), (410, 407114), (470, 355142), (610, 273634), (710, 235094), (820, 203557), (940, 177571), (1220, 136817), (1420, 117547), (1927, 86620), (2501, 66740), (2867, 58220), (2911, 57340), (3337, 50020), (3854, 43310), (4331, 38540), (5002, 33370), (5734, 29110), (5822, 28670), (6674, 25010), (7708, 21655), (8662, 19270), (9635, 17324), (10004, 16685), (11468, 14555), (11644, 14335), (12505, 13348)]