178339930

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 346871808

約数和(自身を除く): 168531878

約数列:

[1, 2, 5, 10, 23, 46, 67, 71, 115, 134, 142, 163, 230, 326, 335, 355, 670, 710, 815, 1541, 1630, 1633, 3082, 3266, 3749, 4757, 7498, 7705, 8165, 9514, 10921, 11573, 15410, 16330, 18745, 21842, 23146, 23785, 37490, 47570, 54605, 57865, 109210, 109411, 115730, 218822, 251183, 266179, 502366, 532358, 547055, 775391, 1094110, 1255915, 1330895, 1550782, 2511830, 2661790, 3876955, 7753910, 17833993, 35667986, 89169965, 178339930]

約数ペア:

[(1, 178339930), (2, 89169965), (5, 35667986), (10, 17833993), (23, 7753910), (46, 3876955), (67, 2661790), (71, 2511830), (115, 1550782), (134, 1330895), (142, 1255915), (163, 1094110), (230, 775391), (326, 547055), (335, 532358), (355, 502366), (670, 266179), (710, 251183), (815, 218822), (1541, 115730), (1630, 109411), (1633, 109210), (3082, 57865), (3266, 54605), (3749, 47570), (4757, 37490), (7498, 23785), (7705, 23146), (8165, 21842), (9514, 18745), (10921, 16330), (11573, 15410)]