254708090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9029}}^1$

素因数の和:9087

約数の個数: 64

約数和(自身を含む): 582543360

約数和(自身を除く): 327835270

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 403, 434, 455, 806, 910, 1085, 2015, 2170, 2821, 4030, 5642, 9029, 14105, 18058, 28210, 45145, 63203, 90290, 117377, 126406, 234754, 279899, 316015, 559798, 586885, 632030, 821639, 1173770, 1399495, 1643278, 1959293, 2798990, 3638687, 3918586, 4108195, 7277374, 8216390, 9796465, 18193435, 19592930, 25470809, 36386870, 50941618, 127354045, 254708090]

約数ペア:

[(1, 254708090), (2, 127354045), (5, 50941618), (7, 36386870), (10, 25470809), (13, 19592930), (14, 18193435), (26, 9796465), (31, 8216390), (35, 7277374), (62, 4108195), (65, 3918586), (70, 3638687), (91, 2798990), (130, 1959293), (155, 1643278), (182, 1399495), (217, 1173770), (310, 821639), (403, 632030), (434, 586885), (455, 559798), (806, 316015), (910, 279899), (1085, 234754), (2015, 126406), (2170, 117377), (2821, 90290), (4030, 63203), (5642, 45145), (9029, 28210), (14105, 18058)]