1398167240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{367}}^1$

素因数の和:543

約数の個数: 128

約数和(自身を含む): 3405265920

約数和(自身を除く): 2007098680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 82, 92, 101, 115, 164, 184, 202, 205, 230, 328, 367, 404, 410, 460, 505, 734, 808, 820, 920, 943, 1010, 1468, 1640, 1835, 1886, 2020, 2323, 2936, 3670, 3772, 4040, 4141, 4646, 4715, 7340, 7544, 8282, 8441, 9292, 9430, 11615, 14680, 15047, 16564, 16882, 18584, 18860, 20705, 23230, 30094, 33128, 33764, 37067, 37720, 41410, 42205, 46460, 60188, 67528, 74134, 75235, 82820, 84410, 92920, 95243, 120376, 148268, 150470, 165640, 168820, 185335, 190486, 296536, 300940, 337640, 346081, 370670, 380972, 476215, 601880, 692162, 741340, 761944, 852541, 952430, 1384324, 1482680, 1519747, 1705082, 1730405, 1904860, 2768648, 3039494, 3410164, 3460810, 3809720, 4262705, 6078988, 6820328, 6921620, 7598735, 8525410, 12157976, 13843240, 15197470, 17050820, 30394940, 34101640, 34954181, 60789880, 69908362, 139816724, 174770905, 279633448, 349541810, 699083620, 1398167240]

約数ペア:

[(1, 1398167240), (2, 699083620), (4, 349541810), (5, 279633448), (8, 174770905), (10, 139816724), (20, 69908362), (23, 60789880), (40, 34954181), (41, 34101640), (46, 30394940), (82, 17050820), (92, 15197470), (101, 13843240), (115, 12157976), (164, 8525410), (184, 7598735), (202, 6921620), (205, 6820328), (230, 6078988), (328, 4262705), (367, 3809720), (404, 3460810), (410, 3410164), (460, 3039494), (505, 2768648), (734, 1904860), (808, 1730405), (820, 1705082), (920, 1519747), (943, 1482680), (1010, 1384324), (1468, 952430), (1640, 852541), (1835, 761944), (1886, 741340), (2020, 692162), (2323, 601880), (2936, 476215), (3670, 380972), (3772, 370670), (4040, 346081), (4141, 337640), (4646, 300940), (4715, 296536), (7340, 190486), (7544, 185335), (8282, 168820), (8441, 165640), (9292, 150470), (9430, 148268), (11615, 120376), (14680, 95243), (15047, 92920), (16564, 84410), (16882, 82820), (18584, 75235), (18860, 74134), (20705, 67528), (23230, 60188), (30094, 46460), (33128, 42205), (33764, 41410), (37067, 37720)]