490825101320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{347}}^1\times {\mathrm{4261}}^1$

素因数の和:4855

約数の個数: 128

約数和(自身を含む): 1139435130240

約数和(自身を除く): 648610028920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 193, 215, 344, 347, 386, 430, 694, 772, 860, 965, 1388, 1544, 1720, 1735, 1930, 2776, 3470, 3860, 4261, 6940, 7720, 8299, 8522, 13880, 14921, 16598, 17044, 21305, 29842, 33196, 34088, 41495, 42610, 59684, 66392, 66971, 74605, 82990, 85220, 119368, 133942, 149210, 165980, 170440, 183223, 267884, 298420, 331960, 334855, 366446, 535768, 596840, 669710, 732892, 822373, 916115, 1339420, 1465784, 1478567, 1644746, 1832230, 2678840, 2879753, 2957134, 3289492, 3664460, 4111865, 5759506, 5914268, 6578984, 7328920, 7392835, 8223730, 11519012, 11828536, 14398765, 14785670, 16447460, 23038024, 28797530, 29571340, 32894920, 35362039, 57595060, 59142680, 63578381, 70724078, 115190120, 127156762, 141448156, 176810195, 254313524, 282896312, 285363431, 317891905, 353620390, 508627048, 570726862, 635783810, 707240780, 1141453724, 1271567620, 1414481560, 1426817155, 2282907448, 2543135240, 2853634310, 5707268620, 11414537240, 12270627533, 24541255066, 49082510132, 61353137665, 98165020264, 122706275330, 245412550660, 490825101320]

約数ペア:

[(1, 490825101320), (2, 245412550660), (4, 122706275330), (5, 98165020264), (8, 61353137665), (10, 49082510132), (20, 24541255066), (40, 12270627533), (43, 11414537240), (86, 5707268620), (172, 2853634310), (193, 2543135240), (215, 2282907448), (344, 1426817155), (347, 1414481560), (386, 1271567620), (430, 1141453724), (694, 707240780), (772, 635783810), (860, 570726862), (965, 508627048), (1388, 353620390), (1544, 317891905), (1720, 285363431), (1735, 282896312), (1930, 254313524), (2776, 176810195), (3470, 141448156), (3860, 127156762), (4261, 115190120), (6940, 70724078), (7720, 63578381), (8299, 59142680), (8522, 57595060), (13880, 35362039), (14921, 32894920), (16598, 29571340), (17044, 28797530), (21305, 23038024), (29842, 16447460), (33196, 14785670), (34088, 14398765), (41495, 11828536), (42610, 11519012), (59684, 8223730), (66392, 7392835), (66971, 7328920), (74605, 6578984), (82990, 5914268), (85220, 5759506), (119368, 4111865), (133942, 3664460), (149210, 3289492), (165980, 2957134), (170440, 2879753), (183223, 2678840), (267884, 1832230), (298420, 1644746), (331960, 1478567), (334855, 1465784), (366446, 1339420), (535768, 916115), (596840, 822373), (669710, 732892)]