201781330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{349}}^1$

素因数の和:571

約数の個数: 64

約数和(自身を含む): 408240000

約数和(自身を除く): 206458670

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 179, 190, 323, 349, 358, 646, 698, 895, 1615, 1745, 1790, 3043, 3230, 3401, 3490, 5933, 6086, 6631, 6802, 11866, 13262, 15215, 17005, 29665, 30430, 33155, 34010, 57817, 59330, 62471, 66310, 112727, 115634, 124942, 225454, 289085, 312355, 563635, 578170, 624710, 1062007, 1127270, 1186949, 2124014, 2373898, 5310035, 5934745, 10620070, 11869490, 20178133, 40356266, 100890665, 201781330]

約数ペア:

[(1, 201781330), (2, 100890665), (5, 40356266), (10, 20178133), (17, 11869490), (19, 10620070), (34, 5934745), (38, 5310035), (85, 2373898), (95, 2124014), (170, 1186949), (179, 1127270), (190, 1062007), (323, 624710), (349, 578170), (358, 563635), (646, 312355), (698, 289085), (895, 225454), (1615, 124942), (1745, 115634), (1790, 112727), (3043, 66310), (3230, 62471), (3401, 59330), (3490, 57817), (5933, 34010), (6086, 33155), (6631, 30430), (6802, 29665), (11866, 17005), (13262, 15215)]