217817380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:349

約数の個数: 96

約数和(自身を含む): 515652480

約数和(自身を除く): 297835100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 97, 110, 118, 173, 194, 220, 236, 295, 346, 388, 485, 590, 649, 692, 865, 970, 1067, 1180, 1298, 1730, 1903, 1940, 2134, 2596, 3245, 3460, 3806, 4268, 5335, 5723, 6490, 7612, 9515, 10207, 10670, 11446, 12980, 16781, 19030, 20414, 21340, 22892, 28615, 33562, 38060, 40828, 51035, 57230, 62953, 67124, 83905, 102070, 112277, 114460, 125906, 167810, 184591, 204140, 224554, 251812, 314765, 335620, 369182, 449108, 561385, 629530, 738364, 922955, 990079, 1122770, 1259060, 1845910, 1980158, 2245540, 3691820, 3960316, 4950395, 9900790, 10890869, 19801580, 21781738, 43563476, 54454345, 108908690, 217817380]

約数ペア:

[(1, 217817380), (2, 108908690), (4, 54454345), (5, 43563476), (10, 21781738), (11, 19801580), (20, 10890869), (22, 9900790), (44, 4950395), (55, 3960316), (59, 3691820), (97, 2245540), (110, 1980158), (118, 1845910), (173, 1259060), (194, 1122770), (220, 990079), (236, 922955), (295, 738364), (346, 629530), (388, 561385), (485, 449108), (590, 369182), (649, 335620), (692, 314765), (865, 251812), (970, 224554), (1067, 204140), (1180, 184591), (1298, 167810), (1730, 125906), (1903, 114460), (1940, 112277), (2134, 102070), (2596, 83905), (3245, 67124), (3460, 62953), (3806, 57230), (4268, 51035), (5335, 40828), (5723, 38060), (6490, 33562), (7612, 28615), (9515, 22892), (10207, 21340), (10670, 20414), (11446, 19030), (12980, 16781)]