2021630975

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 3339036288

約数和(自身を除く): 1317405313

約数列:

[1, 5, 7, 13, 25, 35, 37, 47, 49, 65, 73, 91, 175, 185, 235, 245, 259, 325, 329, 365, 455, 481, 511, 611, 637, 925, 949, 1175, 1225, 1295, 1645, 1739, 1813, 1825, 2275, 2303, 2405, 2555, 2701, 3055, 3185, 3367, 3431, 3577, 4277, 4745, 6475, 6643, 8225, 8695, 9065, 11515, 12025, 12173, 12775, 13505, 15275, 15925, 16835, 17155, 17885, 18907, 21385, 22607, 23569, 23725, 24017, 29939, 33215, 35113, 43475, 44603, 45325, 46501, 57575, 60865, 67525, 84175, 85211, 85775, 89425, 94535, 106925, 113035, 117845, 120085, 126947, 132349, 149695, 158249, 166075, 168119, 175565, 223015, 232505, 245791, 304325, 312221, 426055, 472675, 565175, 589225, 600425, 634735, 661745, 748475, 791245, 840595, 877825, 888629, 1107743, 1115075, 1162525, 1228955, 1561105, 1650311, 1720537, 2130275, 2185547, 3173675, 3308725, 3956225, 4202975, 4443145, 5538715, 6144775, 6220403, 7805525, 8251555, 8602685, 10927735, 11552177, 22215725, 27693575, 31102015, 41257775, 43013425, 54638675, 57760885, 80865239, 155510075, 288804425, 404326195, 2021630975]

約数ペア:

[(1, 2021630975), (5, 404326195), (7, 288804425), (13, 155510075), (25, 80865239), (35, 57760885), (37, 54638675), (47, 43013425), (49, 41257775), (65, 31102015), (73, 27693575), (91, 22215725), (175, 11552177), (185, 10927735), (235, 8602685), (245, 8251555), (259, 7805525), (325, 6220403), (329, 6144775), (365, 5538715), (455, 4443145), (481, 4202975), (511, 3956225), (611, 3308725), (637, 3173675), (925, 2185547), (949, 2130275), (1175, 1720537), (1225, 1650311), (1295, 1561105), (1645, 1228955), (1739, 1162525), (1813, 1115075), (1825, 1107743), (2275, 888629), (2303, 877825), (2405, 840595), (2555, 791245), (2701, 748475), (3055, 661745), (3185, 634735), (3367, 600425), (3431, 589225), (3577, 565175), (4277, 472675), (4745, 426055), (6475, 312221), (6643, 304325), (8225, 245791), (8695, 232505), (9065, 223015), (11515, 175565), (12025, 168119), (12173, 166075), (12775, 158249), (13505, 149695), (15275, 132349), (15925, 126947), (16835, 120085), (17155, 117845), (17885, 113035), (18907, 106925), (21385, 94535), (22607, 89425), (23569, 85775), (23725, 85211), (24017, 84175), (29939, 67525), (33215, 60865), (35113, 57575), (43475, 46501), (44603, 45325)]