259505000

素因数分解:

$2^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 160

約数和(自身を含む): 668036160

約数和(自身を除く): 408531160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 43, 50, 68, 71, 85, 86, 100, 125, 136, 142, 170, 172, 200, 215, 250, 284, 340, 344, 355, 425, 430, 500, 568, 625, 680, 710, 731, 850, 860, 1000, 1075, 1207, 1250, 1420, 1462, 1700, 1720, 1775, 2125, 2150, 2414, 2500, 2840, 2924, 3053, 3400, 3550, 3655, 4250, 4300, 4828, 5000, 5375, 5848, 6035, 6106, 7100, 7310, 8500, 8600, 8875, 9656, 10625, 10750, 12070, 12212, 14200, 14620, 15265, 17000, 17750, 18275, 21250, 21500, 24140, 24424, 26875, 29240, 30175, 30530, 35500, 36550, 42500, 43000, 44375, 48280, 51901, 53750, 60350, 61060, 71000, 73100, 76325, 85000, 88750, 91375, 103802, 107500, 120700, 122120, 146200, 150875, 152650, 177500, 182750, 207604, 215000, 241400, 259505, 301750, 305300, 355000, 365500, 381625, 415208, 456875, 519010, 603500, 610600, 731000, 754375, 763250, 913750, 1038020, 1207000, 1297525, 1508750, 1526500, 1827500, 1908125, 2076040, 2595050, 3017500, 3053000, 3655000, 3816250, 5190100, 6035000, 6487625, 7632500, 10380200, 12975250, 15265000, 25950500, 32438125, 51901000, 64876250, 129752500, 259505000]

約数ペア:

[(1, 259505000), (2, 129752500), (4, 64876250), (5, 51901000), (8, 32438125), (10, 25950500), (17, 15265000), (20, 12975250), (25, 10380200), (34, 7632500), (40, 6487625), (43, 6035000), (50, 5190100), (68, 3816250), (71, 3655000), (85, 3053000), (86, 3017500), (100, 2595050), (125, 2076040), (136, 1908125), (142, 1827500), (170, 1526500), (172, 1508750), (200, 1297525), (215, 1207000), (250, 1038020), (284, 913750), (340, 763250), (344, 754375), (355, 731000), (425, 610600), (430, 603500), (500, 519010), (568, 456875), (625, 415208), (680, 381625), (710, 365500), (731, 355000), (850, 305300), (860, 301750), (1000, 259505), (1075, 241400), (1207, 215000), (1250, 207604), (1420, 182750), (1462, 177500), (1700, 152650), (1720, 150875), (1775, 146200), (2125, 122120), (2150, 120700), (2414, 107500), (2500, 103802), (2840, 91375), (2924, 88750), (3053, 85000), (3400, 76325), (3550, 73100), (3655, 71000), (4250, 61060), (4300, 60350), (4828, 53750), (5000, 51901), (5375, 48280), (5848, 44375), (6035, 43000), (6106, 42500), (7100, 36550), (7310, 35500), (8500, 30530), (8600, 30175), (8875, 29240), (9656, 26875), (10625, 24424), (10750, 24140), (12070, 21500), (12212, 21250), (14200, 18275), (14620, 17750), (15265, 17000)]