215850830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2819}}^1$

素因数の和:2889

約数の個数: 64

約数和(自身を含む): 454809600

約数和(自身を除く): 238958770

約数列:

[1, 2, 5, 10, 13, 19, 26, 31, 38, 62, 65, 95, 130, 155, 190, 247, 310, 403, 494, 589, 806, 1178, 1235, 2015, 2470, 2819, 2945, 4030, 5638, 5890, 7657, 14095, 15314, 28190, 36647, 38285, 53561, 73294, 76570, 87389, 107122, 174778, 183235, 267805, 366470, 436945, 535610, 696293, 873890, 1136057, 1392586, 1660391, 2272114, 3320782, 3481465, 5680285, 6962930, 8301955, 11360570, 16603910, 21585083, 43170166, 107925415, 215850830]

約数ペア:

[(1, 215850830), (2, 107925415), (5, 43170166), (10, 21585083), (13, 16603910), (19, 11360570), (26, 8301955), (31, 6962930), (38, 5680285), (62, 3481465), (65, 3320782), (95, 2272114), (130, 1660391), (155, 1392586), (190, 1136057), (247, 873890), (310, 696293), (403, 535610), (494, 436945), (589, 366470), (806, 267805), (1178, 183235), (1235, 174778), (2015, 107122), (2470, 87389), (2819, 76570), (2945, 73294), (4030, 53561), (5638, 38285), (5890, 36647), (7657, 28190), (14095, 15314)]