165390820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:773

約数の個数: 96

約数和(自身を含む): 422795520

約数和(自身を除く): 257404700

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 97, 133, 140, 190, 194, 266, 380, 388, 485, 532, 641, 665, 679, 970, 1282, 1330, 1358, 1843, 1940, 2564, 2660, 2716, 3205, 3395, 3686, 4487, 6410, 6790, 7372, 8974, 9215, 12179, 12820, 12901, 13580, 17948, 18430, 22435, 24358, 25802, 36860, 44870, 48716, 51604, 60895, 62177, 64505, 85253, 89740, 121790, 124354, 129010, 170506, 243580, 248708, 258020, 310885, 341012, 426265, 435239, 621770, 852530, 870478, 1181363, 1243540, 1705060, 1740956, 2176195, 2362726, 4352390, 4725452, 5906815, 8269541, 8704780, 11813630, 16539082, 23627260, 33078164, 41347705, 82695410, 165390820]

約数ペア:

[(1, 165390820), (2, 82695410), (4, 41347705), (5, 33078164), (7, 23627260), (10, 16539082), (14, 11813630), (19, 8704780), (20, 8269541), (28, 5906815), (35, 4725452), (38, 4352390), (70, 2362726), (76, 2176195), (95, 1740956), (97, 1705060), (133, 1243540), (140, 1181363), (190, 870478), (194, 852530), (266, 621770), (380, 435239), (388, 426265), (485, 341012), (532, 310885), (641, 258020), (665, 248708), (679, 243580), (970, 170506), (1282, 129010), (1330, 124354), (1358, 121790), (1843, 89740), (1940, 85253), (2564, 64505), (2660, 62177), (2716, 60895), (3205, 51604), (3395, 48716), (3686, 44870), (4487, 36860), (6410, 25802), (6790, 24358), (7372, 22435), (8974, 18430), (9215, 17948), (12179, 13580), (12820, 12901)]