290686690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1381}}^1$

素因数の和:1523

約数の個数: 64

約数和(自身を含む): 624089088

約数和(自身を除く): 333402398

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 97, 155, 194, 217, 310, 434, 485, 679, 970, 1085, 1358, 1381, 2170, 2762, 3007, 3395, 6014, 6790, 6905, 9667, 13810, 15035, 19334, 21049, 30070, 42098, 42811, 48335, 85622, 96670, 105245, 133957, 210490, 214055, 267914, 299677, 428110, 599354, 669785, 937699, 1339570, 1498385, 1875398, 2996770, 4152667, 4688495, 8305334, 9376990, 20763335, 29068669, 41526670, 58137338, 145343345, 290686690]

約数ペア:

[(1, 290686690), (2, 145343345), (5, 58137338), (7, 41526670), (10, 29068669), (14, 20763335), (31, 9376990), (35, 8305334), (62, 4688495), (70, 4152667), (97, 2996770), (155, 1875398), (194, 1498385), (217, 1339570), (310, 937699), (434, 669785), (485, 599354), (679, 428110), (970, 299677), (1085, 267914), (1358, 214055), (1381, 210490), (2170, 133957), (2762, 105245), (3007, 96670), (3395, 85622), (6014, 48335), (6790, 42811), (6905, 42098), (9667, 30070), (13810, 21049), (15035, 19334)]