1387190

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:189

約数の個数: 48

約数和(自身を含む): 3078000

約数和(自身を除く): 1690810

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 149, 190, 245, 266, 298, 490, 665, 745, 931, 1043, 1330, 1490, 1862, 2086, 2831, 4655, 5215, 5662, 7301, 9310, 10430, 14155, 14602, 19817, 28310, 36505, 39634, 73010, 99085, 138719, 198170, 277438, 693595, 1387190]

約数ペア:

[(1, 1387190), (2, 693595), (5, 277438), (7, 198170), (10, 138719), (14, 99085), (19, 73010), (35, 39634), (38, 36505), (49, 28310), (70, 19817), (95, 14602), (98, 14155), (133, 10430), (149, 9310), (190, 7301), (245, 5662), (266, 5215), (298, 4655), (490, 2831), (665, 2086), (745, 1862), (931, 1490), (1043, 1330)]