199612875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:290

約数の個数: 128

約数和(自身を含む): 429391872

約数和(自身を除く): 229778997

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 31, 33, 35, 55, 75, 77, 93, 105, 125, 155, 165, 175, 217, 223, 231, 275, 341, 375, 385, 465, 525, 651, 669, 775, 825, 875, 1023, 1085, 1115, 1155, 1375, 1561, 1705, 1925, 2325, 2387, 2453, 2625, 3255, 3345, 3875, 4125, 4683, 5115, 5425, 5575, 5775, 6913, 7161, 7359, 7805, 8525, 9625, 11625, 11935, 12265, 16275, 16725, 17171, 20739, 23415, 25575, 27125, 27875, 28875, 34565, 35805, 36795, 39025, 42625, 48391, 51513, 59675, 61325, 76043, 81375, 83625, 85855, 103695, 117075, 127875, 145173, 172825, 179025, 183975, 195125, 228129, 241955, 257565, 298375, 306625, 380215, 429275, 518475, 532301, 585375, 725865, 864125, 895125, 919875, 1140645, 1209775, 1287825, 1596903, 1901075, 2146375, 2592375, 2661505, 3629325, 5703225, 6048875, 6439125, 7984515, 9505375, 13307525, 18146625, 28516125, 39922575, 66537625, 199612875]

約数ペア:

[(1, 199612875), (3, 66537625), (5, 39922575), (7, 28516125), (11, 18146625), (15, 13307525), (21, 9505375), (25, 7984515), (31, 6439125), (33, 6048875), (35, 5703225), (55, 3629325), (75, 2661505), (77, 2592375), (93, 2146375), (105, 1901075), (125, 1596903), (155, 1287825), (165, 1209775), (175, 1140645), (217, 919875), (223, 895125), (231, 864125), (275, 725865), (341, 585375), (375, 532301), (385, 518475), (465, 429275), (525, 380215), (651, 306625), (669, 298375), (775, 257565), (825, 241955), (875, 228129), (1023, 195125), (1085, 183975), (1115, 179025), (1155, 172825), (1375, 145173), (1561, 127875), (1705, 117075), (1925, 103695), (2325, 85855), (2387, 83625), (2453, 81375), (2625, 76043), (3255, 61325), (3345, 59675), (3875, 51513), (4125, 48391), (4683, 42625), (5115, 39025), (5425, 36795), (5575, 35805), (5775, 34565), (6913, 28875), (7161, 27875), (7359, 27125), (7805, 25575), (8525, 23415), (9625, 20739), (11625, 17171), (11935, 16725), (12265, 16275)]