90918100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:234

約数の個数: 144

約数和(自身を含む): 247706368

約数和(自身を除く): 156788268

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 97, 100, 103, 130, 140, 175, 182, 194, 206, 260, 325, 350, 364, 388, 412, 455, 485, 515, 650, 679, 700, 721, 910, 970, 1030, 1261, 1300, 1339, 1358, 1442, 1820, 1940, 2060, 2275, 2425, 2522, 2575, 2678, 2716, 2884, 3395, 3605, 4550, 4850, 5044, 5150, 5356, 6305, 6695, 6790, 7210, 8827, 9100, 9373, 9700, 9991, 10300, 12610, 13390, 13580, 14420, 16975, 17654, 18025, 18746, 19982, 25220, 26780, 31525, 33475, 33950, 35308, 36050, 37492, 39964, 44135, 46865, 49955, 63050, 66950, 67900, 69937, 72100, 88270, 93730, 99910, 126100, 129883, 133900, 139874, 176540, 187460, 199820, 220675, 234325, 249775, 259766, 279748, 349685, 441350, 468650, 499550, 519532, 649415, 699370, 882700, 909181, 937300, 999100, 1298830, 1398740, 1748425, 1818362, 2597660, 3247075, 3496850, 3636724, 4545905, 6494150, 6993700, 9091810, 12988300, 18183620, 22729525, 45459050, 90918100]

約数ペア:

[(1, 90918100), (2, 45459050), (4, 22729525), (5, 18183620), (7, 12988300), (10, 9091810), (13, 6993700), (14, 6494150), (20, 4545905), (25, 3636724), (26, 3496850), (28, 3247075), (35, 2597660), (50, 1818362), (52, 1748425), (65, 1398740), (70, 1298830), (91, 999100), (97, 937300), (100, 909181), (103, 882700), (130, 699370), (140, 649415), (175, 519532), (182, 499550), (194, 468650), (206, 441350), (260, 349685), (325, 279748), (350, 259766), (364, 249775), (388, 234325), (412, 220675), (455, 199820), (485, 187460), (515, 176540), (650, 139874), (679, 133900), (700, 129883), (721, 126100), (910, 99910), (970, 93730), (1030, 88270), (1261, 72100), (1300, 69937), (1339, 67900), (1358, 66950), (1442, 63050), (1820, 49955), (1940, 46865), (2060, 44135), (2275, 39964), (2425, 37492), (2522, 36050), (2575, 35308), (2678, 33950), (2716, 33475), (2884, 31525), (3395, 26780), (3605, 25220), (4550, 19982), (4850, 18746), (5044, 18025), (5150, 17654), (5356, 16975), (6305, 14420), (6695, 13580), (6790, 13390), (7210, 12610), (8827, 10300), (9100, 9991), (9373, 9700)]