388264920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:513

約数の個数: 128

約数和(自身を含む): 1192320000

約数和(自身を除く): 804055080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 199, 213, 229, 284, 355, 398, 426, 458, 568, 597, 687, 710, 796, 852, 916, 995, 1065, 1145, 1194, 1374, 1420, 1592, 1704, 1832, 1990, 2130, 2290, 2388, 2748, 2840, 2985, 3435, 3980, 4260, 4580, 4776, 5496, 5970, 6870, 7960, 8520, 9160, 11940, 13740, 14129, 16259, 23880, 27480, 28258, 32518, 42387, 45571, 48777, 56516, 65036, 70645, 81295, 84774, 91142, 97554, 113032, 130072, 136713, 141290, 162590, 169548, 182284, 195108, 211935, 227855, 243885, 273426, 282580, 325180, 339096, 364568, 390216, 423870, 455710, 487770, 546852, 565160, 650360, 683565, 847740, 911420, 975540, 1093704, 1367130, 1695480, 1822840, 1951080, 2734260, 3235541, 5468520, 6471082, 9706623, 12942164, 16177705, 19413246, 25884328, 32355410, 38826492, 48533115, 64710820, 77652984, 97066230, 129421640, 194132460, 388264920]

約数ペア:

[(1, 388264920), (2, 194132460), (3, 129421640), (4, 97066230), (5, 77652984), (6, 64710820), (8, 48533115), (10, 38826492), (12, 32355410), (15, 25884328), (20, 19413246), (24, 16177705), (30, 12942164), (40, 9706623), (60, 6471082), (71, 5468520), (120, 3235541), (142, 2734260), (199, 1951080), (213, 1822840), (229, 1695480), (284, 1367130), (355, 1093704), (398, 975540), (426, 911420), (458, 847740), (568, 683565), (597, 650360), (687, 565160), (710, 546852), (796, 487770), (852, 455710), (916, 423870), (995, 390216), (1065, 364568), (1145, 339096), (1194, 325180), (1374, 282580), (1420, 273426), (1592, 243885), (1704, 227855), (1832, 211935), (1990, 195108), (2130, 182284), (2290, 169548), (2388, 162590), (2748, 141290), (2840, 136713), (2985, 130072), (3435, 113032), (3980, 97554), (4260, 91142), (4580, 84774), (4776, 81295), (5496, 70645), (5970, 65036), (6870, 56516), (7960, 48777), (8520, 45571), (9160, 42387), (11940, 32518), (13740, 28258), (14129, 27480), (16259, 23880)]