217428210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2957}}^1$

素因数の和:3032

約数の個数: 96

約数和(自身を含む): 609111360

約数和(自身を除く): 391683150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 43, 45, 57, 86, 90, 95, 114, 129, 171, 190, 215, 258, 285, 342, 387, 430, 570, 645, 774, 817, 855, 1290, 1634, 1710, 1935, 2451, 2957, 3870, 4085, 4902, 5914, 7353, 8170, 8871, 12255, 14706, 14785, 17742, 24510, 26613, 29570, 36765, 44355, 53226, 56183, 73530, 88710, 112366, 127151, 133065, 168549, 254302, 266130, 280915, 337098, 381453, 505647, 561830, 635755, 762906, 842745, 1011294, 1144359, 1271510, 1685490, 1907265, 2288718, 2415869, 2528235, 3814530, 4831738, 5056470, 5721795, 7247607, 11443590, 12079345, 14495214, 21742821, 24158690, 36238035, 43485642, 72476070, 108714105, 217428210]

約数ペア:

[(1, 217428210), (2, 108714105), (3, 72476070), (5, 43485642), (6, 36238035), (9, 24158690), (10, 21742821), (15, 14495214), (18, 12079345), (19, 11443590), (30, 7247607), (38, 5721795), (43, 5056470), (45, 4831738), (57, 3814530), (86, 2528235), (90, 2415869), (95, 2288718), (114, 1907265), (129, 1685490), (171, 1271510), (190, 1144359), (215, 1011294), (258, 842745), (285, 762906), (342, 635755), (387, 561830), (430, 505647), (570, 381453), (645, 337098), (774, 280915), (817, 266130), (855, 254302), (1290, 168549), (1634, 133065), (1710, 127151), (1935, 112366), (2451, 88710), (2957, 73530), (3870, 56183), (4085, 53226), (4902, 44355), (5914, 36765), (7353, 29570), (8170, 26613), (8871, 24510), (12255, 17742), (14706, 14785)]