399420070

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:195

約数の個数: 128

約数和(自身を含む): 899942400

約数和(自身を除く): 500522330

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 61, 70, 83, 98, 115, 122, 161, 166, 230, 245, 305, 322, 343, 415, 427, 490, 581, 610, 686, 805, 830, 854, 1127, 1162, 1403, 1610, 1715, 1909, 2135, 2254, 2806, 2905, 2989, 3430, 3818, 4067, 4270, 5063, 5635, 5810, 5978, 7015, 7889, 8134, 9545, 9821, 10126, 11270, 13363, 14030, 14945, 15778, 19090, 19642, 20335, 20923, 25315, 26726, 28469, 29890, 35441, 39445, 40670, 41846, 49105, 50630, 56938, 66815, 68747, 70882, 78890, 93541, 98210, 104615, 116449, 133630, 137494, 142345, 177205, 187082, 209230, 232898, 248087, 284690, 343735, 354410, 467705, 481229, 496174, 582245, 654787, 687470, 815143, 935410, 962458, 1164490, 1240435, 1309574, 1630286, 1736609, 2406145, 2480870, 3273935, 3473218, 4075715, 4812290, 5706001, 6547870, 8151430, 8683045, 11412002, 17366090, 28530005, 39942007, 57060010, 79884014, 199710035, 399420070]

約数ペア:

[(1, 399420070), (2, 199710035), (5, 79884014), (7, 57060010), (10, 39942007), (14, 28530005), (23, 17366090), (35, 11412002), (46, 8683045), (49, 8151430), (61, 6547870), (70, 5706001), (83, 4812290), (98, 4075715), (115, 3473218), (122, 3273935), (161, 2480870), (166, 2406145), (230, 1736609), (245, 1630286), (305, 1309574), (322, 1240435), (343, 1164490), (415, 962458), (427, 935410), (490, 815143), (581, 687470), (610, 654787), (686, 582245), (805, 496174), (830, 481229), (854, 467705), (1127, 354410), (1162, 343735), (1403, 284690), (1610, 248087), (1715, 232898), (1909, 209230), (2135, 187082), (2254, 177205), (2806, 142345), (2905, 137494), (2989, 133630), (3430, 116449), (3818, 104615), (4067, 98210), (4270, 93541), (5063, 78890), (5635, 70882), (5810, 68747), (5978, 66815), (7015, 56938), (7889, 50630), (8134, 49105), (9545, 41846), (9821, 40670), (10126, 39445), (11270, 35441), (13363, 29890), (14030, 28469), (14945, 26726), (15778, 25315), (19090, 20923), (19642, 20335)]