1900516400

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{571}}^1$

素因数の和:799

約数の個数: 120

約数和(自身を含む): 4689972144

約数和(自身を除く): 2789455744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 157, 200, 212, 265, 314, 400, 424, 530, 571, 628, 785, 848, 1060, 1142, 1256, 1325, 1570, 2120, 2284, 2512, 2650, 2855, 3140, 3925, 4240, 4568, 5300, 5710, 6280, 7850, 8321, 9136, 10600, 11420, 12560, 14275, 15700, 16642, 21200, 22840, 28550, 30263, 31400, 33284, 41605, 45680, 57100, 60526, 62800, 66568, 83210, 89647, 114200, 121052, 133136, 151315, 166420, 179294, 208025, 228400, 242104, 302630, 332840, 358588, 416050, 448235, 484208, 605260, 665680, 717176, 756575, 832100, 896470, 1210520, 1434352, 1513150, 1664200, 1792940, 2241175, 2421040, 3026300, 3328400, 3585880, 4482350, 4751291, 6052600, 7171760, 8964700, 9502582, 12105200, 17929400, 19005164, 23756455, 35858800, 38010328, 47512910, 76020656, 95025820, 118782275, 190051640, 237564550, 380103280, 475129100, 950258200, 1900516400]

約数ペア:

[(1, 1900516400), (2, 950258200), (4, 475129100), (5, 380103280), (8, 237564550), (10, 190051640), (16, 118782275), (20, 95025820), (25, 76020656), (40, 47512910), (50, 38010328), (53, 35858800), (80, 23756455), (100, 19005164), (106, 17929400), (157, 12105200), (200, 9502582), (212, 8964700), (265, 7171760), (314, 6052600), (400, 4751291), (424, 4482350), (530, 3585880), (571, 3328400), (628, 3026300), (785, 2421040), (848, 2241175), (1060, 1792940), (1142, 1664200), (1256, 1513150), (1325, 1434352), (1570, 1210520), (2120, 896470), (2284, 832100), (2512, 756575), (2650, 717176), (2855, 665680), (3140, 605260), (3925, 484208), (4240, 448235), (4568, 416050), (5300, 358588), (5710, 332840), (6280, 302630), (7850, 242104), (8321, 228400), (9136, 208025), (10600, 179294), (11420, 166420), (12560, 151315), (14275, 133136), (15700, 121052), (16642, 114200), (21200, 89647), (22840, 83210), (28550, 66568), (30263, 62800), (31400, 60526), (33284, 57100), (41605, 45680)]