538334020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:493

約数の個数: 96

約数和(自身を含む): 1317254400

約数和(自身を除く): 778920380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 149, 197, 262, 298, 394, 524, 596, 655, 745, 788, 917, 985, 1043, 1310, 1379, 1490, 1834, 1970, 2086, 2620, 2758, 2980, 3668, 3940, 4172, 4585, 5215, 5516, 6895, 9170, 10430, 13790, 18340, 19519, 20860, 25807, 27580, 29353, 39038, 51614, 58706, 78076, 97595, 103228, 117412, 129035, 136633, 146765, 180649, 195190, 205471, 258070, 273266, 293530, 361298, 390380, 410942, 516140, 546532, 587060, 683165, 722596, 821884, 903245, 1027355, 1366330, 1806490, 2054710, 2732660, 3612980, 3845243, 4109420, 7690486, 15380972, 19226215, 26916701, 38452430, 53833402, 76904860, 107666804, 134583505, 269167010, 538334020]

約数ペア:

[(1, 538334020), (2, 269167010), (4, 134583505), (5, 107666804), (7, 76904860), (10, 53833402), (14, 38452430), (20, 26916701), (28, 19226215), (35, 15380972), (70, 7690486), (131, 4109420), (140, 3845243), (149, 3612980), (197, 2732660), (262, 2054710), (298, 1806490), (394, 1366330), (524, 1027355), (596, 903245), (655, 821884), (745, 722596), (788, 683165), (917, 587060), (985, 546532), (1043, 516140), (1310, 410942), (1379, 390380), (1490, 361298), (1834, 293530), (1970, 273266), (2086, 258070), (2620, 205471), (2758, 195190), (2980, 180649), (3668, 146765), (3940, 136633), (4172, 129035), (4585, 117412), (5215, 103228), (5516, 97595), (6895, 78076), (9170, 58706), (10430, 51614), (13790, 39038), (18340, 29353), (19519, 27580), (20860, 25807)]