205657140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13877}}^1$

素因数の和:13921

約数の個数: 96

約数和(自身を含む): 652821120

約数和(自身を除く): 447163980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1482, 2470, 2964, 3705, 4940, 7410, 13877, 14820, 27754, 41631, 55508, 69385, 83262, 138770, 166524, 180401, 208155, 263663, 277540, 360802, 416310, 527326, 541203, 721604, 790989, 832620, 902005, 1054652, 1082406, 1318315, 1581978, 1804010, 2164812, 2636630, 2706015, 3163956, 3427619, 3608020, 3954945, 5273260, 5412030, 6855238, 7909890, 10282857, 10824060, 13710476, 15819780, 17138095, 20565714, 34276190, 41131428, 51414285, 68552380, 102828570, 205657140]

約数ペア:

[(1, 205657140), (2, 102828570), (3, 68552380), (4, 51414285), (5, 41131428), (6, 34276190), (10, 20565714), (12, 17138095), (13, 15819780), (15, 13710476), (19, 10824060), (20, 10282857), (26, 7909890), (30, 6855238), (38, 5412030), (39, 5273260), (52, 3954945), (57, 3608020), (60, 3427619), (65, 3163956), (76, 2706015), (78, 2636630), (95, 2164812), (114, 1804010), (130, 1581978), (156, 1318315), (190, 1082406), (195, 1054652), (228, 902005), (247, 832620), (260, 790989), (285, 721604), (380, 541203), (390, 527326), (494, 416310), (570, 360802), (741, 277540), (780, 263663), (988, 208155), (1140, 180401), (1235, 166524), (1482, 138770), (2470, 83262), (2964, 69385), (3705, 55508), (4940, 41631), (7410, 27754), (13877, 14820)]