390762170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{389}}^1$

素因数の和:743

約数の個数: 64

約数和(自身を含む): 788486400

約数和(自身を除く): 397724230

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 311, 323, 389, 622, 646, 778, 1555, 1615, 1945, 3110, 3230, 3890, 5287, 5909, 6613, 7391, 10574, 11818, 13226, 14782, 26435, 29545, 33065, 36955, 52870, 59090, 66130, 73910, 100453, 120979, 125647, 200906, 241958, 251294, 502265, 604895, 628235, 1004530, 1209790, 1256470, 2056643, 2298601, 4113286, 4597202, 10283215, 11493005, 20566430, 22986010, 39076217, 78152434, 195381085, 390762170]

約数ペア:

[(1, 390762170), (2, 195381085), (5, 78152434), (10, 39076217), (17, 22986010), (19, 20566430), (34, 11493005), (38, 10283215), (85, 4597202), (95, 4113286), (170, 2298601), (190, 2056643), (311, 1256470), (323, 1209790), (389, 1004530), (622, 628235), (646, 604895), (778, 502265), (1555, 251294), (1615, 241958), (1945, 200906), (3110, 125647), (3230, 120979), (3890, 100453), (5287, 73910), (5909, 66130), (6613, 59090), (7391, 52870), (10574, 36955), (11818, 33065), (13226, 29545), (14782, 26435)]