164038780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:491

約数の個数: 96

約数和(自身を含む): 390700800

約数和(自身を除く): 226662020

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 67, 68, 76, 85, 95, 134, 170, 190, 268, 323, 335, 340, 379, 380, 646, 670, 758, 1139, 1273, 1292, 1340, 1516, 1615, 1895, 2278, 2546, 3230, 3790, 4556, 5092, 5695, 6365, 6443, 6460, 7201, 7580, 11390, 12730, 12886, 14402, 21641, 22780, 25393, 25460, 25772, 28804, 32215, 36005, 43282, 50786, 64430, 72010, 86564, 101572, 108205, 122417, 126965, 128860, 144020, 216410, 244834, 253930, 431681, 432820, 482467, 489668, 507860, 612085, 863362, 964934, 1224170, 1726724, 1929868, 2158405, 2412335, 2448340, 4316810, 4824670, 8201939, 8633620, 9649340, 16403878, 32807756, 41009695, 82019390, 164038780]

約数ペア:

[(1, 164038780), (2, 82019390), (4, 41009695), (5, 32807756), (10, 16403878), (17, 9649340), (19, 8633620), (20, 8201939), (34, 4824670), (38, 4316810), (67, 2448340), (68, 2412335), (76, 2158405), (85, 1929868), (95, 1726724), (134, 1224170), (170, 964934), (190, 863362), (268, 612085), (323, 507860), (335, 489668), (340, 482467), (379, 432820), (380, 431681), (646, 253930), (670, 244834), (758, 216410), (1139, 144020), (1273, 128860), (1292, 126965), (1340, 122417), (1516, 108205), (1615, 101572), (1895, 86564), (2278, 72010), (2546, 64430), (3230, 50786), (3790, 43282), (4556, 36005), (5092, 32215), (5695, 28804), (6365, 25772), (6443, 25460), (6460, 25393), (7201, 22780), (7580, 21641), (11390, 14402), (12730, 12886)]