302440120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{977}}^1$

素因数の和:1168

約数の個数: 64

約数和(自身を含む): 697118400

約数和(自身を除く): 394678280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 109, 142, 218, 284, 355, 436, 545, 568, 710, 872, 977, 1090, 1420, 1954, 2180, 2840, 3908, 4360, 4885, 7739, 7816, 9770, 15478, 19540, 30956, 38695, 39080, 61912, 69367, 77390, 106493, 138734, 154780, 212986, 277468, 309560, 346835, 425972, 532465, 554936, 693670, 851944, 1064930, 1387340, 2129860, 2774680, 4259720, 7561003, 15122006, 30244012, 37805015, 60488024, 75610030, 151220060, 302440120]

約数ペア:

[(1, 302440120), (2, 151220060), (4, 75610030), (5, 60488024), (8, 37805015), (10, 30244012), (20, 15122006), (40, 7561003), (71, 4259720), (109, 2774680), (142, 2129860), (218, 1387340), (284, 1064930), (355, 851944), (436, 693670), (545, 554936), (568, 532465), (710, 425972), (872, 346835), (977, 309560), (1090, 277468), (1420, 212986), (1954, 154780), (2180, 138734), (2840, 106493), (3908, 77390), (4360, 69367), (4885, 61912), (7739, 39080), (7816, 38695), (9770, 30956), (15478, 19540)]