49204820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 130999680

約数和(自身を除く): 81794860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 37, 46, 49, 59, 70, 74, 92, 98, 115, 118, 140, 148, 161, 185, 196, 230, 236, 245, 259, 295, 322, 370, 413, 460, 490, 518, 590, 644, 740, 805, 826, 851, 980, 1036, 1127, 1180, 1295, 1357, 1610, 1652, 1702, 1813, 2065, 2183, 2254, 2590, 2714, 2891, 3220, 3404, 3626, 4130, 4255, 4366, 4508, 5180, 5428, 5635, 5782, 5957, 6785, 7252, 8260, 8510, 8732, 9065, 9499, 10915, 11270, 11564, 11914, 13570, 14455, 15281, 17020, 18130, 18998, 21830, 22540, 23828, 27140, 28910, 29785, 30562, 36260, 37996, 41699, 43660, 47495, 50209, 57820, 59570, 61124, 66493, 76405, 83398, 94990, 100418, 106967, 119140, 132986, 152810, 166796, 189980, 200836, 208495, 213934, 251045, 265972, 305620, 332465, 351463, 416990, 427868, 502090, 534835, 664930, 702926, 833980, 1004180, 1069670, 1329860, 1405852, 1757315, 2139340, 2460241, 3514630, 4920482, 7029260, 9840964, 12301205, 24602410, 49204820]

約数ペア:

[(1, 49204820), (2, 24602410), (4, 12301205), (5, 9840964), (7, 7029260), (10, 4920482), (14, 3514630), (20, 2460241), (23, 2139340), (28, 1757315), (35, 1405852), (37, 1329860), (46, 1069670), (49, 1004180), (59, 833980), (70, 702926), (74, 664930), (92, 534835), (98, 502090), (115, 427868), (118, 416990), (140, 351463), (148, 332465), (161, 305620), (185, 265972), (196, 251045), (230, 213934), (236, 208495), (245, 200836), (259, 189980), (295, 166796), (322, 152810), (370, 132986), (413, 119140), (460, 106967), (490, 100418), (518, 94990), (590, 83398), (644, 76405), (740, 66493), (805, 61124), (826, 59570), (851, 57820), (980, 50209), (1036, 47495), (1127, 43660), (1180, 41699), (1295, 37996), (1357, 36260), (1610, 30562), (1652, 29785), (1702, 28910), (1813, 27140), (2065, 23828), (2183, 22540), (2254, 21830), (2590, 18998), (2714, 18130), (2891, 17020), (3220, 15281), (3404, 14455), (3626, 13570), (4130, 11914), (4255, 11564), (4366, 11270), (4508, 10915), (5180, 9499), (5428, 9065), (5635, 8732), (5782, 8510), (5957, 8260), (6785, 7252)]