1918494550

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:407

約数の個数: 144

約数和(自身を含む): 4328160480

約数和(自身を除く): 2409665930

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 41, 49, 50, 70, 71, 82, 98, 142, 175, 205, 245, 269, 287, 350, 355, 410, 490, 497, 538, 574, 710, 994, 1025, 1225, 1345, 1435, 1775, 1883, 2009, 2050, 2450, 2485, 2690, 2870, 2911, 3479, 3550, 3766, 4018, 4970, 5822, 6725, 6958, 7175, 9415, 10045, 11029, 12425, 13181, 13450, 14350, 14555, 17395, 18830, 19099, 20090, 20377, 22058, 24850, 26362, 29110, 34790, 38198, 40754, 47075, 50225, 55145, 65905, 72775, 77203, 86975, 94150, 95495, 100450, 101885, 110290, 131810, 133693, 142639, 145550, 154406, 173950, 190990, 203770, 267386, 275725, 285278, 329525, 386015, 477475, 509425, 540421, 551450, 659050, 668465, 713195, 772030, 783059, 935851, 954950, 1018850, 1080842, 1336930, 1426390, 1566118, 1871702, 1930075, 2702105, 3342325, 3565975, 3860150, 3915295, 4679255, 5404210, 5481413, 6684650, 7131950, 7830590, 9358510, 10962826, 13510525, 19576475, 23396275, 27021050, 27407065, 38369891, 39152950, 46792550, 54814130, 76739782, 137035325, 191849455, 274070650, 383698910, 959247275, 1918494550]

約数ペア:

[(1, 1918494550), (2, 959247275), (5, 383698910), (7, 274070650), (10, 191849455), (14, 137035325), (25, 76739782), (35, 54814130), (41, 46792550), (49, 39152950), (50, 38369891), (70, 27407065), (71, 27021050), (82, 23396275), (98, 19576475), (142, 13510525), (175, 10962826), (205, 9358510), (245, 7830590), (269, 7131950), (287, 6684650), (350, 5481413), (355, 5404210), (410, 4679255), (490, 3915295), (497, 3860150), (538, 3565975), (574, 3342325), (710, 2702105), (994, 1930075), (1025, 1871702), (1225, 1566118), (1345, 1426390), (1435, 1336930), (1775, 1080842), (1883, 1018850), (2009, 954950), (2050, 935851), (2450, 783059), (2485, 772030), (2690, 713195), (2870, 668465), (2911, 659050), (3479, 551450), (3550, 540421), (3766, 509425), (4018, 477475), (4970, 386015), (5822, 329525), (6725, 285278), (6958, 275725), (7175, 267386), (9415, 203770), (10045, 190990), (11029, 173950), (12425, 154406), (13181, 145550), (13450, 142639), (14350, 133693), (14555, 131810), (17395, 110290), (18830, 101885), (19099, 100450), (20090, 95495), (20377, 94150), (22058, 86975), (24850, 77203), (26362, 72775), (29110, 65905), (34790, 55145), (38198, 50225), (40754, 47075)]