20185169900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1\times {\mathrm{1709}}^1$

素因数の和:2136

約数の個数: 144

約数和(自身を含む): 51296716800

約数和(自身を除く): 31111546900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 47, 50, 70, 94, 100, 140, 175, 188, 235, 329, 350, 359, 470, 658, 700, 718, 940, 1175, 1316, 1436, 1645, 1709, 1795, 2350, 2513, 3290, 3418, 3590, 4700, 5026, 6580, 6836, 7180, 8225, 8545, 8975, 10052, 11963, 12565, 16450, 16873, 17090, 17950, 23926, 25130, 32900, 33746, 34180, 35900, 42725, 47852, 50260, 59815, 62825, 67492, 80323, 84365, 85450, 118111, 119630, 125650, 160646, 168730, 170900, 236222, 239260, 251300, 299075, 321292, 337460, 401615, 421825, 472444, 562261, 590555, 598150, 613531, 803230, 843650, 1124522, 1181110, 1196300, 1227062, 1606460, 1687300, 2008075, 2249044, 2362220, 2454124, 2811305, 2952775, 3067655, 4016150, 4294717, 5622610, 5905550, 6135310, 8032300, 8589434, 11245220, 11811100, 12270620, 14056525, 15338275, 17178868, 21473585, 28113050, 28835957, 30676550, 42947170, 56226100, 57671914, 61353100, 85894340, 107367925, 115343828, 144179785, 201851699, 214735850, 288359570, 403703398, 429471700, 576719140, 720898925, 807406796, 1009258495, 1441797850, 2018516990, 2883595700, 4037033980, 5046292475, 10092584950, 20185169900]

約数ペア:

[(1, 20185169900), (2, 10092584950), (4, 5046292475), (5, 4037033980), (7, 2883595700), (10, 2018516990), (14, 1441797850), (20, 1009258495), (25, 807406796), (28, 720898925), (35, 576719140), (47, 429471700), (50, 403703398), (70, 288359570), (94, 214735850), (100, 201851699), (140, 144179785), (175, 115343828), (188, 107367925), (235, 85894340), (329, 61353100), (350, 57671914), (359, 56226100), (470, 42947170), (658, 30676550), (700, 28835957), (718, 28113050), (940, 21473585), (1175, 17178868), (1316, 15338275), (1436, 14056525), (1645, 12270620), (1709, 11811100), (1795, 11245220), (2350, 8589434), (2513, 8032300), (3290, 6135310), (3418, 5905550), (3590, 5622610), (4700, 4294717), (5026, 4016150), (6580, 3067655), (6836, 2952775), (7180, 2811305), (8225, 2454124), (8545, 2362220), (8975, 2249044), (10052, 2008075), (11963, 1687300), (12565, 1606460), (16450, 1227062), (16873, 1196300), (17090, 1181110), (17950, 1124522), (23926, 843650), (25130, 803230), (32900, 613531), (33746, 598150), (34180, 590555), (35900, 562261), (42725, 472444), (47852, 421825), (50260, 401615), (59815, 337460), (62825, 321292), (67492, 299075), (80323, 251300), (84365, 239260), (85450, 236222), (118111, 170900), (119630, 168730), (125650, 160646)]