1900575889940

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{21311683}}^1$

素因数の和:21311726

約数の個数: 96

約数和(自身を含む): 5012508076800

約数和(自身を除く): 3111932186860

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 343, 364, 455, 490, 637, 686, 910, 980, 1274, 1372, 1715, 1820, 2548, 3185, 3430, 4459, 6370, 6860, 8918, 12740, 17836, 22295, 44590, 89180, 21311683, 42623366, 85246732, 106558415, 149181781, 213116830, 277051879, 298363562, 426233660, 554103758, 596727124, 745908905, 1044272467, 1108207516, 1385259395, 1491817810, 1939363153, 2088544934, 2770518790, 2983635620, 3878726306, 4177089868, 5221362335, 5541037580, 7309907269, 7757452612, 9696815765, 10442724670, 13575542071, 14619814538, 19393631530, 20885449340, 27151084142, 29239629076, 36549536345, 38787263060, 54302168284, 67877710355, 73099072690, 95028794497, 135755420710, 146198145380, 190057588994, 271510841420, 380115177988, 475143972485, 950287944970, 1900575889940]

約数ペア:

[(1, 1900575889940), (2, 950287944970), (4, 475143972485), (5, 380115177988), (7, 271510841420), (10, 190057588994), (13, 146198145380), (14, 135755420710), (20, 95028794497), (26, 73099072690), (28, 67877710355), (35, 54302168284), (49, 38787263060), (52, 36549536345), (65, 29239629076), (70, 27151084142), (91, 20885449340), (98, 19393631530), (130, 14619814538), (140, 13575542071), (182, 10442724670), (196, 9696815765), (245, 7757452612), (260, 7309907269), (343, 5541037580), (364, 5221362335), (455, 4177089868), (490, 3878726306), (637, 2983635620), (686, 2770518790), (910, 2088544934), (980, 1939363153), (1274, 1491817810), (1372, 1385259395), (1715, 1108207516), (1820, 1044272467), (2548, 745908905), (3185, 596727124), (3430, 554103758), (4459, 426233660), (6370, 298363562), (6860, 277051879), (8918, 213116830), (12740, 149181781), (17836, 106558415), (22295, 85246732), (44590, 42623366), (89180, 21311683)]