404367080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21017}}^1$

素因数の和:21078

約数の個数: 64

約数和(自身を含む): 1006341840

約数和(自身を除く): 601974760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4810, 9620, 19240, 21017, 42034, 84068, 105085, 168136, 210170, 273221, 420340, 546442, 777629, 840680, 1092884, 1366105, 1555258, 2185768, 2732210, 3110516, 3888145, 5464420, 6221032, 7776290, 10109177, 10928840, 15552580, 20218354, 31105160, 40436708, 50545885, 80873416, 101091770, 202183540, 404367080]

約数ペア:

[(1, 404367080), (2, 202183540), (4, 101091770), (5, 80873416), (8, 50545885), (10, 40436708), (13, 31105160), (20, 20218354), (26, 15552580), (37, 10928840), (40, 10109177), (52, 7776290), (65, 6221032), (74, 5464420), (104, 3888145), (130, 3110516), (148, 2732210), (185, 2185768), (260, 1555258), (296, 1366105), (370, 1092884), (481, 840680), (520, 777629), (740, 546442), (962, 420340), (1480, 273221), (1924, 210170), (2405, 168136), (3848, 105085), (4810, 84068), (9620, 42034), (19240, 21017)]