1938862425

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^2\times {\mathrm{59}}^1\times {\mathrm{521}}^1$

素因数の和:651

約数の個数: 72

約数和(自身を含む): 3382685280

約数和(自身を除く): 1443822855

約数列:

[1, 3, 5, 15, 25, 29, 59, 75, 87, 145, 177, 295, 435, 521, 725, 841, 885, 1475, 1563, 1711, 2175, 2523, 2605, 4205, 4425, 5133, 7815, 8555, 12615, 13025, 15109, 21025, 25665, 30739, 39075, 42775, 45327, 49619, 63075, 75545, 92217, 128325, 148857, 153695, 226635, 248095, 377725, 438161, 461085, 744285, 768475, 891431, 1133175, 1240475, 1314483, 2190805, 2305425, 2674293, 3721425, 4457155, 6572415, 10954025, 13371465, 22285775, 25851499, 32862075, 66857325, 77554497, 129257495, 387772485, 646287475, 1938862425]

約数ペア:

[(1, 1938862425), (3, 646287475), (5, 387772485), (15, 129257495), (25, 77554497), (29, 66857325), (59, 32862075), (75, 25851499), (87, 22285775), (145, 13371465), (177, 10954025), (295, 6572415), (435, 4457155), (521, 3721425), (725, 2674293), (841, 2305425), (885, 2190805), (1475, 1314483), (1563, 1240475), (1711, 1133175), (2175, 891431), (2523, 768475), (2605, 744285), (4205, 461085), (4425, 438161), (5133, 377725), (7815, 248095), (8555, 226635), (12615, 153695), (13025, 148857), (15109, 128325), (21025, 92217), (25665, 75545), (30739, 63075), (39075, 49619), (42775, 45327)]