858264890

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:445

約数の個数: 128

約数和(自身を含む): 1959552000

約数和(自身を除く): 1101287110

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 41, 49, 70, 82, 85, 98, 119, 170, 205, 238, 245, 287, 343, 359, 410, 490, 574, 595, 686, 697, 718, 833, 1190, 1394, 1435, 1666, 1715, 1795, 2009, 2513, 2870, 3430, 3485, 3590, 4018, 4165, 4879, 5026, 5831, 6103, 6970, 8330, 9758, 10045, 11662, 12206, 12565, 14063, 14719, 17591, 20090, 24395, 25130, 28126, 29155, 29438, 30515, 34153, 35182, 42721, 48790, 58310, 61030, 68306, 70315, 73595, 85442, 87955, 103033, 123137, 140630, 147190, 170765, 175910, 206066, 213605, 239071, 246274, 250223, 299047, 341530, 427210, 478142, 500446, 515165, 598094, 615685, 721231, 1030330, 1195355, 1231370, 1251115, 1442462, 1495235, 1751561, 2093329, 2390710, 2502230, 2990470, 3503122, 3606155, 4186658, 5048617, 7212310, 8757805, 10097234, 10466645, 12260927, 17515610, 20933290, 24521854, 25243085, 50486170, 61304635, 85826489, 122609270, 171652978, 429132445, 858264890]

約数ペア:

[(1, 858264890), (2, 429132445), (5, 171652978), (7, 122609270), (10, 85826489), (14, 61304635), (17, 50486170), (34, 25243085), (35, 24521854), (41, 20933290), (49, 17515610), (70, 12260927), (82, 10466645), (85, 10097234), (98, 8757805), (119, 7212310), (170, 5048617), (205, 4186658), (238, 3606155), (245, 3503122), (287, 2990470), (343, 2502230), (359, 2390710), (410, 2093329), (490, 1751561), (574, 1495235), (595, 1442462), (686, 1251115), (697, 1231370), (718, 1195355), (833, 1030330), (1190, 721231), (1394, 615685), (1435, 598094), (1666, 515165), (1715, 500446), (1795, 478142), (2009, 427210), (2513, 341530), (2870, 299047), (3430, 250223), (3485, 246274), (3590, 239071), (4018, 213605), (4165, 206066), (4879, 175910), (5026, 170765), (5831, 147190), (6103, 140630), (6970, 123137), (8330, 103033), (9758, 87955), (10045, 85442), (11662, 73595), (12206, 70315), (12565, 68306), (14063, 61030), (14719, 58310), (17591, 48790), (20090, 42721), (24395, 35182), (25130, 34153), (28126, 30515), (29155, 29438)]