140255920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1187}}^1$

素因数の和:1418

約数の個数: 80

約数和(自身を含む): 374761728

約数和(自身を除く): 234505808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 211, 280, 422, 560, 844, 1055, 1187, 1477, 1688, 2110, 2374, 2954, 3376, 4220, 4748, 5908, 5935, 7385, 8309, 8440, 9496, 11816, 11870, 14770, 16618, 16880, 18992, 23632, 23740, 29540, 33236, 41545, 47480, 59080, 66472, 83090, 94960, 118160, 132944, 166180, 250457, 332360, 500914, 664720, 1001828, 1252285, 1753199, 2003656, 2504570, 3506398, 4007312, 5009140, 7012796, 8765995, 10018280, 14025592, 17531990, 20036560, 28051184, 35063980, 70127960, 140255920]

約数ペア:

[(1, 140255920), (2, 70127960), (4, 35063980), (5, 28051184), (7, 20036560), (8, 17531990), (10, 14025592), (14, 10018280), (16, 8765995), (20, 7012796), (28, 5009140), (35, 4007312), (40, 3506398), (56, 2504570), (70, 2003656), (80, 1753199), (112, 1252285), (140, 1001828), (211, 664720), (280, 500914), (422, 332360), (560, 250457), (844, 166180), (1055, 132944), (1187, 118160), (1477, 94960), (1688, 83090), (2110, 66472), (2374, 59080), (2954, 47480), (3376, 41545), (4220, 33236), (4748, 29540), (5908, 23740), (5935, 23632), (7385, 18992), (8309, 16880), (8440, 16618), (9496, 14770), (11816, 11870)]