210178388

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 444419136

約数和(自身を除く): 234240748

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 73, 107, 124, 146, 214, 217, 292, 428, 434, 511, 749, 868, 961, 1022, 1498, 1922, 2044, 2263, 2996, 3317, 3844, 4526, 6634, 6727, 7811, 9052, 13268, 13454, 15622, 15841, 23219, 26908, 31244, 31682, 46438, 54677, 63364, 70153, 92876, 102827, 109354, 140306, 205654, 218708, 242141, 280612, 411308, 484282, 491071, 719789, 968564, 982142, 1439578, 1694987, 1964284, 2879156, 3389974, 6779948, 7506371, 15012742, 30025484, 52544597, 105089194, 210178388]

約数ペア:

[(1, 210178388), (2, 105089194), (4, 52544597), (7, 30025484), (14, 15012742), (28, 7506371), (31, 6779948), (62, 3389974), (73, 2879156), (107, 1964284), (124, 1694987), (146, 1439578), (214, 982142), (217, 968564), (292, 719789), (428, 491071), (434, 484282), (511, 411308), (749, 280612), (868, 242141), (961, 218708), (1022, 205654), (1498, 140306), (1922, 109354), (2044, 102827), (2263, 92876), (2996, 70153), (3317, 63364), (3844, 54677), (4526, 46438), (6634, 31682), (6727, 31244), (7811, 26908), (9052, 23219), (13268, 15841), (13454, 15622)]