1890331240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{164663}}^1$

素因数の和:164722

約数の個数: 64

約数和(自身を含む): 4979439360

約数和(自身を除く): 3089108120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 11480, 164663, 329326, 658652, 823315, 1152641, 1317304, 1646630, 2305282, 3293260, 4610564, 5763205, 6586520, 6751183, 9221128, 11526410, 13502366, 23052820, 27004732, 33755915, 46105640, 47258281, 54009464, 67511830, 94516562, 135023660, 189033124, 236291405, 270047320, 378066248, 472582810, 945165620, 1890331240]

約数ペア:

[(1, 1890331240), (2, 945165620), (4, 472582810), (5, 378066248), (7, 270047320), (8, 236291405), (10, 189033124), (14, 135023660), (20, 94516562), (28, 67511830), (35, 54009464), (40, 47258281), (41, 46105640), (56, 33755915), (70, 27004732), (82, 23052820), (140, 13502366), (164, 11526410), (205, 9221128), (280, 6751183), (287, 6586520), (328, 5763205), (410, 4610564), (574, 3293260), (820, 2305282), (1148, 1646630), (1435, 1317304), (1640, 1152641), (2296, 823315), (2870, 658652), (5740, 329326), (11480, 164663)]