204540440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{10631}}^1$

素因数の和:10692

約数の個数: 64

約数和(自身を含む): 509060160

約数和(自身を除く): 304519720

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, 10631, 19240, 21262, 42524, 53155, 85048, 106310, 138203, 212620, 276406, 393347, 425240, 552812, 691015, 786694, 1105624, 1382030, 1573388, 1966735, 2764060, 3146776, 3933470, 5113511, 5528120, 7866940, 10227022, 15733880, 20454044, 25567555, 40908088, 51135110, 102270220, 204540440]

約数ペア:

[(1, 204540440), (2, 102270220), (4, 51135110), (5, 40908088), (8, 25567555), (10, 20454044), (13, 15733880), (20, 10227022), (26, 7866940), (37, 5528120), (40, 5113511), (52, 3933470), (65, 3146776), (74, 2764060), (104, 1966735), (130, 1573388), (148, 1382030), (185, 1105624), (260, 786694), (296, 691015), (370, 552812), (481, 425240), (520, 393347), (740, 276406), (962, 212620), (1480, 138203), (1924, 106310), (2405, 85048), (3848, 53155), (4810, 42524), (9620, 21262), (10631, 19240)]