521004900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1297}}^1$

素因数の和:1430

約数の個数: 144

約数和(自身を含む): 1640422784

約数和(自身を除く): 1119417884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 103, 130, 150, 156, 195, 206, 260, 300, 309, 325, 390, 412, 515, 618, 650, 780, 975, 1030, 1236, 1297, 1300, 1339, 1545, 1950, 2060, 2575, 2594, 2678, 3090, 3891, 3900, 4017, 5150, 5188, 5356, 6180, 6485, 6695, 7725, 7782, 8034, 10300, 12970, 13390, 15450, 15564, 16068, 16861, 19455, 20085, 25940, 26780, 30900, 32425, 33475, 33722, 38910, 40170, 50583, 64850, 66950, 67444, 77820, 80340, 84305, 97275, 100425, 101166, 129700, 133591, 133900, 168610, 194550, 200850, 202332, 252915, 267182, 337220, 389100, 400773, 401700, 421525, 505830, 534364, 667955, 801546, 843050, 1011660, 1264575, 1335910, 1603092, 1686100, 1736683, 2003865, 2529150, 2671820, 3339775, 3473366, 4007730, 5058300, 5210049, 6679550, 6946732, 8015460, 8683415, 10019325, 10420098, 13359100, 17366830, 20038650, 20840196, 26050245, 34733660, 40077300, 43417075, 52100490, 86834150, 104200980, 130251225, 173668300, 260502450, 521004900]

約数ペア:

[(1, 521004900), (2, 260502450), (3, 173668300), (4, 130251225), (5, 104200980), (6, 86834150), (10, 52100490), (12, 43417075), (13, 40077300), (15, 34733660), (20, 26050245), (25, 20840196), (26, 20038650), (30, 17366830), (39, 13359100), (50, 10420098), (52, 10019325), (60, 8683415), (65, 8015460), (75, 6946732), (78, 6679550), (100, 5210049), (103, 5058300), (130, 4007730), (150, 3473366), (156, 3339775), (195, 2671820), (206, 2529150), (260, 2003865), (300, 1736683), (309, 1686100), (325, 1603092), (390, 1335910), (412, 1264575), (515, 1011660), (618, 843050), (650, 801546), (780, 667955), (975, 534364), (1030, 505830), (1236, 421525), (1297, 401700), (1300, 400773), (1339, 389100), (1545, 337220), (1950, 267182), (2060, 252915), (2575, 202332), (2594, 200850), (2678, 194550), (3090, 168610), (3891, 133900), (3900, 133591), (4017, 129700), (5150, 101166), (5188, 100425), (5356, 97275), (6180, 84305), (6485, 80340), (6695, 77820), (7725, 67444), (7782, 66950), (8034, 64850), (10300, 50583), (12970, 40170), (13390, 38910), (15450, 33722), (15564, 33475), (16068, 32425), (16861, 30900), (19455, 26780), (20085, 25940)]