1900710

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{431}}^1$

素因数の和:458

約数の個数: 72

約数和(自身を含む): 5762016

約数和(自身を除く): 3861306

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 431, 441, 490, 630, 735, 862, 882, 1293, 1470, 2155, 2205, 2586, 3017, 3879, 4310, 4410, 6034, 6465, 7758, 9051, 12930, 15085, 18102, 19395, 21119, 27153, 30170, 38790, 42238, 45255, 54306, 63357, 90510, 105595, 126714, 135765, 190071, 211190, 271530, 316785, 380142, 633570, 950355, 1900710]

約数ペア:

[(1, 1900710), (2, 950355), (3, 633570), (5, 380142), (6, 316785), (7, 271530), (9, 211190), (10, 190071), (14, 135765), (15, 126714), (18, 105595), (21, 90510), (30, 63357), (35, 54306), (42, 45255), (45, 42238), (49, 38790), (63, 30170), (70, 27153), (90, 21119), (98, 19395), (105, 18102), (126, 15085), (147, 12930), (210, 9051), (245, 7758), (294, 6465), (315, 6034), (431, 4410), (441, 4310), (490, 3879), (630, 3017), (735, 2586), (862, 2205), (882, 2155), (1293, 1470)]