919812420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{599}}^1$

素因数の和:1082

約数の個数: 144

約数和(自身を含む): 2948400000

約数和(自身を除く): 2028587580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 449, 570, 599, 684, 855, 898, 1140, 1198, 1347, 1710, 1796, 1797, 2245, 2396, 2694, 2995, 3420, 3594, 4041, 4490, 5388, 5391, 5990, 6735, 7188, 8082, 8531, 8980, 8985, 10782, 11381, 11980, 13470, 16164, 17062, 17970, 20205, 21564, 22762, 25593, 26940, 26955, 34124, 34143, 35940, 40410, 42655, 45524, 51186, 53910, 56905, 68286, 76779, 80820, 85310, 102372, 102429, 107820, 113810, 127965, 136572, 153558, 170620, 170715, 204858, 227620, 255930, 268951, 307116, 341430, 383895, 409716, 511860, 512145, 537902, 682860, 767790, 806853, 1024290, 1075804, 1344755, 1535580, 1613706, 2048580, 2420559, 2689510, 3227412, 4034265, 4841118, 5110069, 5379020, 8068530, 9682236, 10220138, 12102795, 15330207, 16137060, 20440276, 24205590, 25550345, 30660414, 45990621, 48411180, 51100690, 61320828, 76651035, 91981242, 102201380, 153302070, 183962484, 229953105, 306604140, 459906210, 919812420]

約数ペア:

[(1, 919812420), (2, 459906210), (3, 306604140), (4, 229953105), (5, 183962484), (6, 153302070), (9, 102201380), (10, 91981242), (12, 76651035), (15, 61320828), (18, 51100690), (19, 48411180), (20, 45990621), (30, 30660414), (36, 25550345), (38, 24205590), (45, 20440276), (57, 16137060), (60, 15330207), (76, 12102795), (90, 10220138), (95, 9682236), (114, 8068530), (171, 5379020), (180, 5110069), (190, 4841118), (228, 4034265), (285, 3227412), (342, 2689510), (380, 2420559), (449, 2048580), (570, 1613706), (599, 1535580), (684, 1344755), (855, 1075804), (898, 1024290), (1140, 806853), (1198, 767790), (1347, 682860), (1710, 537902), (1796, 512145), (1797, 511860), (2245, 409716), (2396, 383895), (2694, 341430), (2995, 307116), (3420, 268951), (3594, 255930), (4041, 227620), (4490, 204858), (5388, 170715), (5391, 170620), (5990, 153558), (6735, 136572), (7188, 127965), (8082, 113810), (8531, 107820), (8980, 102429), (8985, 102372), (10782, 85310), (11381, 80820), (11980, 76779), (13470, 68286), (16164, 56905), (17062, 53910), (17970, 51186), (20205, 45524), (21564, 42655), (22762, 40410), (25593, 35940), (26940, 34143), (26955, 34124)]