40381390

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 86601600

約数和(自身を除く): 46220210

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 61, 70, 98, 122, 193, 245, 305, 343, 386, 427, 490, 610, 686, 854, 965, 1351, 1715, 1930, 2135, 2702, 2989, 3430, 4270, 5978, 6755, 9457, 11773, 13510, 14945, 18914, 20923, 23546, 29890, 41846, 47285, 58865, 66199, 82411, 94570, 104615, 117730, 132398, 164822, 209230, 330995, 412055, 576877, 661990, 824110, 1153754, 2884385, 4038139, 5768770, 8076278, 20190695, 40381390]

約数ペア:

[(1, 40381390), (2, 20190695), (5, 8076278), (7, 5768770), (10, 4038139), (14, 2884385), (35, 1153754), (49, 824110), (61, 661990), (70, 576877), (98, 412055), (122, 330995), (193, 209230), (245, 164822), (305, 132398), (343, 117730), (386, 104615), (427, 94570), (490, 82411), (610, 66199), (686, 58865), (854, 47285), (965, 41846), (1351, 29890), (1715, 23546), (1930, 20923), (2135, 18914), (2702, 14945), (2989, 13510), (3430, 11773), (4270, 9457), (5978, 6755)]