449451640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1$

素因数の和:533

約数の個数: 128

約数和(自身を含む): 1155409920

約数和(自身を除く): 705958280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 83, 88, 110, 124, 155, 166, 220, 248, 310, 332, 341, 397, 415, 440, 620, 664, 682, 794, 830, 913, 1240, 1364, 1588, 1660, 1705, 1826, 1985, 2573, 2728, 3176, 3320, 3410, 3652, 3970, 4367, 4565, 5146, 6820, 7304, 7940, 8734, 9130, 10292, 12307, 12865, 13640, 15880, 17468, 18260, 20584, 21835, 24614, 25730, 28303, 32951, 34936, 36520, 43670, 49228, 51460, 56606, 61535, 65902, 87340, 98456, 102920, 113212, 123070, 131804, 135377, 141515, 164755, 174680, 226424, 246140, 263608, 270754, 283030, 329510, 362461, 492280, 541508, 566060, 659020, 676885, 724922, 1021481, 1083016, 1132120, 1318040, 1353770, 1449844, 1812305, 2042962, 2707540, 2899688, 3624610, 4085924, 5107405, 5415080, 7249220, 8171848, 10214810, 11236291, 14498440, 20429620, 22472582, 40859240, 44945164, 56181455, 89890328, 112362910, 224725820, 449451640]

約数ペア:

[(1, 449451640), (2, 224725820), (4, 112362910), (5, 89890328), (8, 56181455), (10, 44945164), (11, 40859240), (20, 22472582), (22, 20429620), (31, 14498440), (40, 11236291), (44, 10214810), (55, 8171848), (62, 7249220), (83, 5415080), (88, 5107405), (110, 4085924), (124, 3624610), (155, 2899688), (166, 2707540), (220, 2042962), (248, 1812305), (310, 1449844), (332, 1353770), (341, 1318040), (397, 1132120), (415, 1083016), (440, 1021481), (620, 724922), (664, 676885), (682, 659020), (794, 566060), (830, 541508), (913, 492280), (1240, 362461), (1364, 329510), (1588, 283030), (1660, 270754), (1705, 263608), (1826, 246140), (1985, 226424), (2573, 174680), (2728, 164755), (3176, 141515), (3320, 135377), (3410, 131804), (3652, 123070), (3970, 113212), (4367, 102920), (4565, 98456), (5146, 87340), (6820, 65902), (7304, 61535), (7940, 56606), (8734, 51460), (9130, 49228), (10292, 43670), (12307, 36520), (12865, 34936), (13640, 32951), (15880, 28303), (17468, 25730), (18260, 24614), (20584, 21835)]