438322020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:298

約数の個数: 192

約数和(自身を含む): 1359052800

約数和(自身を除く): 920730780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 79, 93, 95, 114, 124, 155, 157, 158, 186, 190, 228, 237, 285, 310, 314, 316, 372, 380, 395, 465, 471, 474, 570, 589, 620, 628, 785, 790, 930, 942, 948, 1140, 1178, 1185, 1501, 1570, 1580, 1767, 1860, 1884, 2355, 2356, 2370, 2449, 2945, 2983, 3002, 3140, 3534, 4503, 4710, 4740, 4867, 4898, 5890, 5966, 6004, 7068, 7347, 7505, 8835, 8949, 9006, 9420, 9734, 9796, 11780, 11932, 12245, 12403, 14601, 14694, 14915, 15010, 17670, 17898, 18012, 19468, 22515, 24335, 24490, 24806, 29202, 29388, 29830, 30020, 35340, 35796, 36735, 37209, 44745, 45030, 46531, 48670, 48980, 49612, 58404, 59660, 62015, 73005, 73470, 74418, 89490, 90060, 92473, 93062, 97340, 124030, 139593, 146010, 146940, 148836, 178980, 184946, 186045, 186124, 232655, 235657, 248060, 277419, 279186, 292020, 369892, 372090, 384493, 462365, 465310, 471314, 554838, 558372, 697965, 706971, 744180, 768986, 924730, 930620, 942628, 1109676, 1153479, 1178285, 1387095, 1395930, 1413942, 1537972, 1849460, 1922465, 2306958, 2356570, 2774190, 2791860, 2827884, 3534855, 3844930, 4613916, 4713140, 5548380, 5767395, 7069710, 7305367, 7689860, 11534790, 14139420, 14610734, 21916101, 23069580, 29221468, 36526835, 43832202, 73053670, 87664404, 109580505, 146107340, 219161010, 438322020]

約数ペア:

[(1, 438322020), (2, 219161010), (3, 146107340), (4, 109580505), (5, 87664404), (6, 73053670), (10, 43832202), (12, 36526835), (15, 29221468), (19, 23069580), (20, 21916101), (30, 14610734), (31, 14139420), (38, 11534790), (57, 7689860), (60, 7305367), (62, 7069710), (76, 5767395), (79, 5548380), (93, 4713140), (95, 4613916), (114, 3844930), (124, 3534855), (155, 2827884), (157, 2791860), (158, 2774190), (186, 2356570), (190, 2306958), (228, 1922465), (237, 1849460), (285, 1537972), (310, 1413942), (314, 1395930), (316, 1387095), (372, 1178285), (380, 1153479), (395, 1109676), (465, 942628), (471, 930620), (474, 924730), (570, 768986), (589, 744180), (620, 706971), (628, 697965), (785, 558372), (790, 554838), (930, 471314), (942, 465310), (948, 462365), (1140, 384493), (1178, 372090), (1185, 369892), (1501, 292020), (1570, 279186), (1580, 277419), (1767, 248060), (1860, 235657), (1884, 232655), (2355, 186124), (2356, 186045), (2370, 184946), (2449, 178980), (2945, 148836), (2983, 146940), (3002, 146010), (3140, 139593), (3534, 124030), (4503, 97340), (4710, 93062), (4740, 92473), (4867, 90060), (4898, 89490), (5890, 74418), (5966, 73470), (6004, 73005), (7068, 62015), (7347, 59660), (7505, 58404), (8835, 49612), (8949, 48980), (9006, 48670), (9420, 46531), (9734, 45030), (9796, 44745), (11780, 37209), (11932, 36735), (12245, 35796), (12403, 35340), (14601, 30020), (14694, 29830), (14915, 29388), (15010, 29202), (17670, 24806), (17898, 24490), (18012, 24335), (19468, 22515)]