310639420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{659}}^1$

素因数の和:732

約数の個数: 144

約数和(自身を含む): 840581280

約数和(自身を除く): 529941860

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 37, 49, 52, 65, 70, 74, 91, 98, 130, 140, 148, 182, 185, 196, 245, 259, 260, 364, 370, 455, 481, 490, 518, 637, 659, 740, 910, 962, 980, 1036, 1274, 1295, 1318, 1813, 1820, 1924, 2405, 2548, 2590, 2636, 3185, 3295, 3367, 3626, 4613, 4810, 5180, 6370, 6590, 6734, 7252, 8567, 9065, 9226, 9620, 12740, 13180, 13468, 16835, 17134, 18130, 18452, 23065, 23569, 24383, 32291, 33670, 34268, 36260, 42835, 46130, 47138, 48766, 59969, 64582, 67340, 85670, 92260, 94276, 97532, 117845, 119938, 121915, 129164, 161455, 170681, 171340, 235690, 239876, 243830, 299845, 316979, 322910, 341362, 419783, 471380, 487660, 599690, 633958, 645820, 682724, 839566, 853405, 1194767, 1199380, 1267916, 1584895, 1679132, 1706810, 2098915, 2218853, 2389534, 3169790, 3413620, 4197830, 4437706, 4779068, 5973835, 6339580, 8395660, 8875412, 11094265, 11947670, 15531971, 22188530, 23895340, 31063942, 44377060, 62127884, 77659855, 155319710, 310639420]

約数ペア:

[(1, 310639420), (2, 155319710), (4, 77659855), (5, 62127884), (7, 44377060), (10, 31063942), (13, 23895340), (14, 22188530), (20, 15531971), (26, 11947670), (28, 11094265), (35, 8875412), (37, 8395660), (49, 6339580), (52, 5973835), (65, 4779068), (70, 4437706), (74, 4197830), (91, 3413620), (98, 3169790), (130, 2389534), (140, 2218853), (148, 2098915), (182, 1706810), (185, 1679132), (196, 1584895), (245, 1267916), (259, 1199380), (260, 1194767), (364, 853405), (370, 839566), (455, 682724), (481, 645820), (490, 633958), (518, 599690), (637, 487660), (659, 471380), (740, 419783), (910, 341362), (962, 322910), (980, 316979), (1036, 299845), (1274, 243830), (1295, 239876), (1318, 235690), (1813, 171340), (1820, 170681), (1924, 161455), (2405, 129164), (2548, 121915), (2590, 119938), (2636, 117845), (3185, 97532), (3295, 94276), (3367, 92260), (3626, 85670), (4613, 67340), (4810, 64582), (5180, 59969), (6370, 48766), (6590, 47138), (6734, 46130), (7252, 42835), (8567, 36260), (9065, 34268), (9226, 33670), (9620, 32291), (12740, 24383), (13180, 23569), (13468, 23065), (16835, 18452), (17134, 18130)]