38399340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:416

約数の個数: 144

約数和(自身を含む): 128816352

約数和(自身を除く): 90417012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 49, 60, 70, 74, 84, 98, 105, 111, 140, 147, 148, 185, 196, 210, 222, 245, 259, 294, 353, 370, 420, 444, 490, 518, 555, 588, 706, 735, 740, 777, 980, 1036, 1059, 1110, 1295, 1412, 1470, 1554, 1765, 1813, 2118, 2220, 2471, 2590, 2940, 3108, 3530, 3626, 3885, 4236, 4942, 5180, 5295, 5439, 7060, 7252, 7413, 7770, 9065, 9884, 10590, 10878, 12355, 13061, 14826, 15540, 17297, 18130, 21180, 21756, 24710, 26122, 27195, 29652, 34594, 36260, 37065, 39183, 49420, 51891, 52244, 54390, 65305, 69188, 74130, 78366, 86485, 91427, 103782, 108780, 130610, 148260, 156732, 172970, 182854, 195915, 207564, 259455, 261220, 274281, 345940, 365708, 391830, 457135, 518910, 548562, 639989, 783660, 914270, 1037820, 1097124, 1279978, 1371405, 1828540, 1919967, 2559956, 2742810, 3199945, 3839934, 5485620, 6399890, 7679868, 9599835, 12799780, 19199670, 38399340]

約数ペア:

[(1, 38399340), (2, 19199670), (3, 12799780), (4, 9599835), (5, 7679868), (6, 6399890), (7, 5485620), (10, 3839934), (12, 3199945), (14, 2742810), (15, 2559956), (20, 1919967), (21, 1828540), (28, 1371405), (30, 1279978), (35, 1097124), (37, 1037820), (42, 914270), (49, 783660), (60, 639989), (70, 548562), (74, 518910), (84, 457135), (98, 391830), (105, 365708), (111, 345940), (140, 274281), (147, 261220), (148, 259455), (185, 207564), (196, 195915), (210, 182854), (222, 172970), (245, 156732), (259, 148260), (294, 130610), (353, 108780), (370, 103782), (420, 91427), (444, 86485), (490, 78366), (518, 74130), (555, 69188), (588, 65305), (706, 54390), (735, 52244), (740, 51891), (777, 49420), (980, 39183), (1036, 37065), (1059, 36260), (1110, 34594), (1295, 29652), (1412, 27195), (1470, 26122), (1554, 24710), (1765, 21756), (1813, 21180), (2118, 18130), (2220, 17297), (2471, 15540), (2590, 14826), (2940, 13061), (3108, 12355), (3530, 10878), (3626, 10590), (3885, 9884), (4236, 9065), (4942, 7770), (5180, 7413), (5295, 7252), (5439, 7060)]