28291400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 71412840

約数和(自身を除く): 43121440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 53, 68, 85, 100, 106, 136, 157, 170, 200, 212, 265, 314, 340, 424, 425, 530, 628, 680, 785, 850, 901, 1060, 1256, 1325, 1570, 1700, 1802, 2120, 2650, 2669, 3140, 3400, 3604, 3925, 4505, 5300, 5338, 6280, 7208, 7850, 8321, 9010, 10600, 10676, 13345, 15700, 16642, 18020, 21352, 22525, 26690, 31400, 33284, 36040, 41605, 45050, 53380, 66568, 66725, 83210, 90100, 106760, 133450, 141457, 166420, 180200, 208025, 266900, 282914, 332840, 416050, 533800, 565828, 707285, 832100, 1131656, 1414570, 1664200, 2829140, 3536425, 5658280, 7072850, 14145700, 28291400]

約数ペア:

[(1, 28291400), (2, 14145700), (4, 7072850), (5, 5658280), (8, 3536425), (10, 2829140), (17, 1664200), (20, 1414570), (25, 1131656), (34, 832100), (40, 707285), (50, 565828), (53, 533800), (68, 416050), (85, 332840), (100, 282914), (106, 266900), (136, 208025), (157, 180200), (170, 166420), (200, 141457), (212, 133450), (265, 106760), (314, 90100), (340, 83210), (424, 66725), (425, 66568), (530, 53380), (628, 45050), (680, 41605), (785, 36040), (850, 33284), (901, 31400), (1060, 26690), (1256, 22525), (1325, 21352), (1570, 18020), (1700, 16642), (1802, 15700), (2120, 13345), (2650, 10676), (2669, 10600), (3140, 9010), (3400, 8321), (3604, 7850), (3925, 7208), (4505, 6280), (5300, 5338)]