291341440

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1$

素因数の和:167

約数の個数: 192

約数和(自身を含む): 799779960

約数和(自身を除く): 508438520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 97, 104, 128, 130, 152, 160, 190, 194, 208, 247, 260, 304, 320, 361, 380, 388, 416, 485, 494, 520, 608, 640, 722, 760, 776, 832, 970, 988, 1040, 1216, 1235, 1261, 1444, 1520, 1552, 1664, 1805, 1843, 1940, 1976, 2080, 2432, 2470, 2522, 2888, 3040, 3104, 3610, 3686, 3880, 3952, 4160, 4693, 4940, 5044, 5776, 6080, 6208, 6305, 7220, 7372, 7760, 7904, 8320, 9215, 9386, 9880, 10088, 11552, 12160, 12416, 12610, 14440, 14744, 15520, 15808, 18430, 18772, 19760, 20176, 23104, 23465, 23959, 25220, 28880, 29488, 31040, 31616, 35017, 36860, 37544, 39520, 40352, 46208, 46930, 47918, 50440, 57760, 58976, 62080, 70034, 73720, 75088, 79040, 80704, 93860, 95836, 100880, 115520, 117952, 119795, 140068, 147440, 150176, 158080, 161408, 175085, 187720, 191672, 201760, 231040, 235904, 239590, 280136, 294880, 300352, 350170, 375440, 383344, 403520, 455221, 479180, 560272, 589760, 600704, 700340, 750880, 766688, 807040, 910442, 958360, 1120544, 1179520, 1400680, 1501760, 1533376, 1820884, 1916720, 2241088, 2276105, 2801360, 3003520, 3066752, 3641768, 3833440, 4482176, 4552210, 5602720, 7283536, 7666880, 9104420, 11205440, 14567072, 15333760, 18208840, 22410880, 29134144, 36417680, 58268288, 72835360, 145670720, 291341440]

約数ペア:

[(1, 291341440), (2, 145670720), (4, 72835360), (5, 58268288), (8, 36417680), (10, 29134144), (13, 22410880), (16, 18208840), (19, 15333760), (20, 14567072), (26, 11205440), (32, 9104420), (38, 7666880), (40, 7283536), (52, 5602720), (64, 4552210), (65, 4482176), (76, 3833440), (80, 3641768), (95, 3066752), (97, 3003520), (104, 2801360), (128, 2276105), (130, 2241088), (152, 1916720), (160, 1820884), (190, 1533376), (194, 1501760), (208, 1400680), (247, 1179520), (260, 1120544), (304, 958360), (320, 910442), (361, 807040), (380, 766688), (388, 750880), (416, 700340), (485, 600704), (494, 589760), (520, 560272), (608, 479180), (640, 455221), (722, 403520), (760, 383344), (776, 375440), (832, 350170), (970, 300352), (988, 294880), (1040, 280136), (1216, 239590), (1235, 235904), (1261, 231040), (1444, 201760), (1520, 191672), (1552, 187720), (1664, 175085), (1805, 161408), (1843, 158080), (1940, 150176), (1976, 147440), (2080, 140068), (2432, 119795), (2470, 117952), (2522, 115520), (2888, 100880), (3040, 95836), (3104, 93860), (3610, 80704), (3686, 79040), (3880, 75088), (3952, 73720), (4160, 70034), (4693, 62080), (4940, 58976), (5044, 57760), (5776, 50440), (6080, 47918), (6208, 46930), (6305, 46208), (7220, 40352), (7372, 39520), (7760, 37544), (7904, 36860), (8320, 35017), (9215, 31616), (9386, 31040), (9880, 29488), (10088, 28880), (11552, 25220), (12160, 23959), (12416, 23465), (12610, 23104), (14440, 20176), (14744, 19760), (15520, 18772), (15808, 18430)]