19962900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{541}}^1$

素因数の和:602

約数の個数: 108

約数和(自身を含む): 64217244

約数和(自身を除く): 44254344

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 41, 45, 50, 60, 75, 82, 90, 100, 123, 150, 164, 180, 205, 225, 246, 300, 369, 410, 450, 492, 541, 615, 738, 820, 900, 1025, 1082, 1230, 1476, 1623, 1845, 2050, 2164, 2460, 2705, 3075, 3246, 3690, 4100, 4869, 5410, 6150, 6492, 7380, 8115, 9225, 9738, 10820, 12300, 13525, 16230, 18450, 19476, 22181, 24345, 27050, 32460, 36900, 40575, 44362, 48690, 54100, 66543, 81150, 88724, 97380, 110905, 121725, 133086, 162300, 199629, 221810, 243450, 266172, 332715, 399258, 443620, 486900, 554525, 665430, 798516, 998145, 1109050, 1330860, 1663575, 1996290, 2218100, 3327150, 3992580, 4990725, 6654300, 9981450, 19962900]

約数ペア:

[(1, 19962900), (2, 9981450), (3, 6654300), (4, 4990725), (5, 3992580), (6, 3327150), (9, 2218100), (10, 1996290), (12, 1663575), (15, 1330860), (18, 1109050), (20, 998145), (25, 798516), (30, 665430), (36, 554525), (41, 486900), (45, 443620), (50, 399258), (60, 332715), (75, 266172), (82, 243450), (90, 221810), (100, 199629), (123, 162300), (150, 133086), (164, 121725), (180, 110905), (205, 97380), (225, 88724), (246, 81150), (300, 66543), (369, 54100), (410, 48690), (450, 44362), (492, 40575), (541, 36900), (615, 32460), (738, 27050), (820, 24345), (900, 22181), (1025, 19476), (1082, 18450), (1230, 16230), (1476, 13525), (1623, 12300), (1845, 10820), (2050, 9738), (2164, 9225), (2460, 8115), (2705, 7380), (3075, 6492), (3246, 6150), (3690, 5410), (4100, 4869)]