2901290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:243

約数の個数: 48

約数和(自身を含む): 6303744

約数和(自身を除く): 3402454

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 191, 217, 245, 310, 382, 434, 490, 955, 1085, 1337, 1519, 1910, 2170, 2674, 3038, 5921, 6685, 7595, 9359, 11842, 13370, 15190, 18718, 29605, 41447, 46795, 59210, 82894, 93590, 207235, 290129, 414470, 580258, 1450645, 2901290]

約数ペア:

[(1, 2901290), (2, 1450645), (5, 580258), (7, 414470), (10, 290129), (14, 207235), (31, 93590), (35, 82894), (49, 59210), (62, 46795), (70, 41447), (98, 29605), (155, 18718), (191, 15190), (217, 13370), (245, 11842), (310, 9359), (382, 7595), (434, 6685), (490, 5921), (955, 3038), (1085, 2674), (1337, 2170), (1519, 1910)]