209517508725

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{211}}^1\times {\mathrm{1721}}^1$

素因数の和:2116

約数の個数: 144

約数和(自身を含む): 407683031616

約数和(自身を除く): 198165522891

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 157, 175, 211, 245, 471, 525, 633, 735, 785, 1055, 1099, 1225, 1477, 1721, 2355, 3165, 3297, 3675, 3925, 4431, 5163, 5275, 5495, 7385, 7693, 8605, 10339, 11775, 12047, 15825, 16485, 22155, 23079, 25815, 27475, 31017, 33127, 36141, 36925, 38465, 43025, 51695, 60235, 82425, 84329, 99381, 110775, 115395, 129075, 155085, 165635, 180705, 192325, 231889, 252987, 258475, 270197, 301175, 363131, 421645, 496905, 576975, 695667, 775425, 810591, 828175, 903525, 1089393, 1159445, 1264935, 1350985, 1623223, 1815655, 1891379, 2108225, 2484525, 2541917, 3478335, 4052955, 4869669, 5446965, 5674137, 5797225, 6324675, 6754925, 7625751, 8116115, 9078275, 9456895, 12709585, 13239653, 17391675, 17793419, 20264775, 24348345, 27234825, 28370685, 38128755, 39718959, 40580575, 47284475, 53380257, 57011567, 63547925, 66198265, 88967095, 121741725, 141853425, 171034701, 190643775, 198594795, 266901285, 285057835, 330991325, 399080969, 444835475, 855173505, 992973975, 1197242907, 1334506425, 1425289175, 1995404845, 2793566783, 4275867525, 5986214535, 8380700349, 9977024225, 13967833915, 29931072675, 41903501745, 69839169575, 209517508725]

約数ペア:

[(1, 209517508725), (3, 69839169575), (5, 41903501745), (7, 29931072675), (15, 13967833915), (21, 9977024225), (25, 8380700349), (35, 5986214535), (49, 4275867525), (75, 2793566783), (105, 1995404845), (147, 1425289175), (157, 1334506425), (175, 1197242907), (211, 992973975), (245, 855173505), (471, 444835475), (525, 399080969), (633, 330991325), (735, 285057835), (785, 266901285), (1055, 198594795), (1099, 190643775), (1225, 171034701), (1477, 141853425), (1721, 121741725), (2355, 88967095), (3165, 66198265), (3297, 63547925), (3675, 57011567), (3925, 53380257), (4431, 47284475), (5163, 40580575), (5275, 39718959), (5495, 38128755), (7385, 28370685), (7693, 27234825), (8605, 24348345), (10339, 20264775), (11775, 17793419), (12047, 17391675), (15825, 13239653), (16485, 12709585), (22155, 9456895), (23079, 9078275), (25815, 8116115), (27475, 7625751), (31017, 6754925), (33127, 6324675), (36141, 5797225), (36925, 5674137), (38465, 5446965), (43025, 4869669), (51695, 4052955), (60235, 3478335), (82425, 2541917), (84329, 2484525), (99381, 2108225), (110775, 1891379), (115395, 1815655), (129075, 1623223), (155085, 1350985), (165635, 1264935), (180705, 1159445), (192325, 1089393), (231889, 903525), (252987, 828175), (258475, 810591), (270197, 775425), (301175, 695667), (363131, 576975), (421645, 496905)]