42420280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{941}}^1$

素因数の和:989

約数の個数: 96

約数和(自身を含む): 115979040

約数和(自身を除く): 73558760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 49, 56, 70, 92, 98, 115, 140, 161, 184, 196, 230, 245, 280, 322, 392, 460, 490, 644, 805, 920, 941, 980, 1127, 1288, 1610, 1882, 1960, 2254, 3220, 3764, 4508, 4705, 5635, 6440, 6587, 7528, 9016, 9410, 11270, 13174, 18820, 21643, 22540, 26348, 32935, 37640, 43286, 45080, 46109, 52696, 65870, 86572, 92218, 108215, 131740, 151501, 173144, 184436, 216430, 230545, 263480, 303002, 368872, 432860, 461090, 606004, 757505, 865720, 922180, 1060507, 1212008, 1515010, 1844360, 2121014, 3030020, 4242028, 5302535, 6060040, 8484056, 10605070, 21210140, 42420280]

約数ペア:

[(1, 42420280), (2, 21210140), (4, 10605070), (5, 8484056), (7, 6060040), (8, 5302535), (10, 4242028), (14, 3030020), (20, 2121014), (23, 1844360), (28, 1515010), (35, 1212008), (40, 1060507), (46, 922180), (49, 865720), (56, 757505), (70, 606004), (92, 461090), (98, 432860), (115, 368872), (140, 303002), (161, 263480), (184, 230545), (196, 216430), (230, 184436), (245, 173144), (280, 151501), (322, 131740), (392, 108215), (460, 92218), (490, 86572), (644, 65870), (805, 52696), (920, 46109), (941, 45080), (980, 43286), (1127, 37640), (1288, 32935), (1610, 26348), (1882, 22540), (1960, 21643), (2254, 18820), (3220, 13174), (3764, 11270), (4508, 9410), (4705, 9016), (5635, 7528), (6440, 6587)]