641521300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21313}}^1$

素因数の和:21377

約数の個数: 72

約数和(自身を含む): 1628048576

約数和(自身を除く): 986527276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 43, 50, 70, 86, 100, 140, 172, 175, 215, 301, 350, 430, 602, 700, 860, 1075, 1204, 1505, 2150, 3010, 4300, 6020, 7525, 15050, 21313, 30100, 42626, 85252, 106565, 149191, 213130, 298382, 426260, 532825, 596764, 745955, 916459, 1065650, 1491910, 1832918, 2131300, 2983820, 3665836, 3729775, 4582295, 6415213, 7459550, 9164590, 12830426, 14919100, 18329180, 22911475, 25660852, 32076065, 45822950, 64152130, 91645900, 128304260, 160380325, 320760650, 641521300]

約数ペア:

[(1, 641521300), (2, 320760650), (4, 160380325), (5, 128304260), (7, 91645900), (10, 64152130), (14, 45822950), (20, 32076065), (25, 25660852), (28, 22911475), (35, 18329180), (43, 14919100), (50, 12830426), (70, 9164590), (86, 7459550), (100, 6415213), (140, 4582295), (172, 3729775), (175, 3665836), (215, 2983820), (301, 2131300), (350, 1832918), (430, 1491910), (602, 1065650), (700, 916459), (860, 745955), (1075, 596764), (1204, 532825), (1505, 426260), (2150, 298382), (3010, 213130), (4300, 149191), (6020, 106565), (7525, 85252), (15050, 42626), (21313, 30100)]