77641340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:267

約数の個数: 96

約数和(自身を含む): 193342464

約数和(自身を除く): 115701124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 73, 107, 140, 142, 146, 214, 284, 292, 355, 365, 428, 497, 511, 535, 710, 730, 749, 994, 1022, 1070, 1420, 1460, 1498, 1988, 2044, 2140, 2485, 2555, 2996, 3745, 4970, 5110, 5183, 7490, 7597, 7811, 9940, 10220, 10366, 14980, 15194, 15622, 20732, 25915, 30388, 31244, 36281, 37985, 39055, 51830, 53179, 54677, 72562, 75970, 78110, 103660, 106358, 109354, 145124, 151940, 156220, 181405, 212716, 218708, 265895, 273385, 362810, 531790, 546770, 554581, 725620, 1063580, 1093540, 1109162, 2218324, 2772905, 3882067, 5545810, 7764134, 11091620, 15528268, 19410335, 38820670, 77641340]

約数ペア:

[(1, 77641340), (2, 38820670), (4, 19410335), (5, 15528268), (7, 11091620), (10, 7764134), (14, 5545810), (20, 3882067), (28, 2772905), (35, 2218324), (70, 1109162), (71, 1093540), (73, 1063580), (107, 725620), (140, 554581), (142, 546770), (146, 531790), (214, 362810), (284, 273385), (292, 265895), (355, 218708), (365, 212716), (428, 181405), (497, 156220), (511, 151940), (535, 145124), (710, 109354), (730, 106358), (749, 103660), (994, 78110), (1022, 75970), (1070, 72562), (1420, 54677), (1460, 53179), (1498, 51830), (1988, 39055), (2044, 37985), (2140, 36281), (2485, 31244), (2555, 30388), (2996, 25915), (3745, 20732), (4970, 15622), (5110, 15194), (5183, 14980), (7490, 10366), (7597, 10220), (7811, 9940)]