205490220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15497}}^1$

素因数の和:15539

約数の個数: 96

約数和(自身を含む): 656123328

約数和(自身を除く): 450633108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 340, 390, 442, 510, 663, 780, 884, 1020, 1105, 1326, 2210, 2652, 3315, 4420, 6630, 13260, 15497, 30994, 46491, 61988, 77485, 92982, 154970, 185964, 201461, 232455, 263449, 309940, 402922, 464910, 526898, 604383, 790347, 805844, 929820, 1007305, 1053796, 1208766, 1317245, 1580694, 2014610, 2417532, 2634490, 3021915, 3161388, 3424837, 3951735, 4029220, 5268980, 6043830, 6849674, 7903470, 10274511, 12087660, 13699348, 15806940, 17124185, 20549022, 34248370, 41098044, 51372555, 68496740, 102745110, 205490220]

約数ペア:

[(1, 205490220), (2, 102745110), (3, 68496740), (4, 51372555), (5, 41098044), (6, 34248370), (10, 20549022), (12, 17124185), (13, 15806940), (15, 13699348), (17, 12087660), (20, 10274511), (26, 7903470), (30, 6849674), (34, 6043830), (39, 5268980), (51, 4029220), (52, 3951735), (60, 3424837), (65, 3161388), (68, 3021915), (78, 2634490), (85, 2417532), (102, 2014610), (130, 1580694), (156, 1317245), (170, 1208766), (195, 1053796), (204, 1007305), (221, 929820), (255, 805844), (260, 790347), (340, 604383), (390, 526898), (442, 464910), (510, 402922), (663, 309940), (780, 263449), (884, 232455), (1020, 201461), (1105, 185964), (1326, 154970), (2210, 92982), (2652, 77485), (3315, 61988), (4420, 46491), (6630, 30994), (13260, 15497)]