128530900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 314979840

約数和(自身を除く): 186448940

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 29, 41, 46, 47, 50, 58, 82, 92, 94, 100, 115, 116, 145, 164, 188, 205, 230, 235, 290, 410, 460, 470, 575, 580, 667, 725, 820, 940, 943, 1025, 1081, 1150, 1175, 1189, 1334, 1363, 1450, 1886, 1927, 2050, 2162, 2300, 2350, 2378, 2668, 2726, 2900, 3335, 3772, 3854, 4100, 4324, 4700, 4715, 4756, 5405, 5452, 5945, 6670, 6815, 7708, 9430, 9635, 10810, 11890, 13340, 13630, 16675, 18860, 19270, 21620, 23575, 23780, 27025, 27260, 27347, 29725, 31349, 33350, 34075, 38540, 44321, 47150, 48175, 54050, 54694, 55883, 59450, 62698, 66700, 68150, 88642, 94300, 96350, 108100, 109388, 111766, 118900, 125396, 136300, 136735, 156745, 177284, 192700, 221605, 223532, 273470, 279415, 313490, 443210, 546940, 558830, 626980, 683675, 783725, 886420, 1108025, 1117660, 1285309, 1367350, 1397075, 1567450, 2216050, 2570618, 2734700, 2794150, 3134900, 4432100, 5141236, 5588300, 6426545, 12853090, 25706180, 32132725, 64265450, 128530900]

約数ペア:

[(1, 128530900), (2, 64265450), (4, 32132725), (5, 25706180), (10, 12853090), (20, 6426545), (23, 5588300), (25, 5141236), (29, 4432100), (41, 3134900), (46, 2794150), (47, 2734700), (50, 2570618), (58, 2216050), (82, 1567450), (92, 1397075), (94, 1367350), (100, 1285309), (115, 1117660), (116, 1108025), (145, 886420), (164, 783725), (188, 683675), (205, 626980), (230, 558830), (235, 546940), (290, 443210), (410, 313490), (460, 279415), (470, 273470), (575, 223532), (580, 221605), (667, 192700), (725, 177284), (820, 156745), (940, 136735), (943, 136300), (1025, 125396), (1081, 118900), (1150, 111766), (1175, 109388), (1189, 108100), (1334, 96350), (1363, 94300), (1450, 88642), (1886, 68150), (1927, 66700), (2050, 62698), (2162, 59450), (2300, 55883), (2350, 54694), (2378, 54050), (2668, 48175), (2726, 47150), (2900, 44321), (3335, 38540), (3772, 34075), (3854, 33350), (4100, 31349), (4324, 29725), (4700, 27347), (4715, 27260), (4756, 27025), (5405, 23780), (5452, 23575), (5945, 21620), (6670, 19270), (6815, 18860), (7708, 16675), (9430, 13630), (9635, 13340), (10810, 11890)]