2021801740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{373}}^1\times {\mathrm{5531}}^1$

素因数の和:5927

約数の個数: 72

約数和(自身を含む): 4953109392

約数和(自身を除く): 2931307652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 373, 490, 746, 980, 1492, 1865, 2611, 3730, 5222, 5531, 7460, 10444, 11062, 13055, 18277, 22124, 26110, 27655, 36554, 38717, 52220, 55310, 73108, 77434, 91385, 110620, 154868, 182770, 193585, 271019, 365540, 387170, 542038, 774340, 1084076, 1355095, 2063063, 2710190, 4126126, 5420380, 8252252, 10315315, 14441441, 20630630, 28882882, 41261260, 57765764, 72207205, 101090087, 144414410, 202180174, 288828820, 404360348, 505450435, 1010900870, 2021801740]

約数ペア:

[(1, 2021801740), (2, 1010900870), (4, 505450435), (5, 404360348), (7, 288828820), (10, 202180174), (14, 144414410), (20, 101090087), (28, 72207205), (35, 57765764), (49, 41261260), (70, 28882882), (98, 20630630), (140, 14441441), (196, 10315315), (245, 8252252), (373, 5420380), (490, 4126126), (746, 2710190), (980, 2063063), (1492, 1355095), (1865, 1084076), (2611, 774340), (3730, 542038), (5222, 387170), (5531, 365540), (7460, 271019), (10444, 193585), (11062, 182770), (13055, 154868), (18277, 110620), (22124, 91385), (26110, 77434), (27655, 73108), (36554, 55310), (38717, 52220)]