17771132575

素因数分解:

$5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{1993}}^1$

素因数の和:2297

約数の個数: 72

約数和(自身を含む): 26636888880

約数和(自身を除く): 8865756305

約数列:

[1, 5, 7, 25, 29, 35, 49, 145, 175, 203, 245, 251, 725, 1015, 1225, 1255, 1421, 1757, 1993, 5075, 6275, 7105, 7279, 8785, 9965, 12299, 13951, 35525, 36395, 43925, 49825, 50953, 57797, 61495, 69755, 97657, 181975, 254765, 288985, 307475, 348775, 356671, 404579, 488285, 500243, 1273825, 1444925, 1783355, 2022895, 2441425, 2501215, 2832053, 3501701, 8916775, 10114475, 12506075, 14160265, 14507047, 17508505, 24511907, 70801325, 72535235, 87542525, 101549329, 122559535, 362676175, 507746645, 612797675, 710845303, 2538733225, 3554226515, 17771132575]

約数ペア:

[(1, 17771132575), (5, 3554226515), (7, 2538733225), (25, 710845303), (29, 612797675), (35, 507746645), (49, 362676175), (145, 122559535), (175, 101549329), (203, 87542525), (245, 72535235), (251, 70801325), (725, 24511907), (1015, 17508505), (1225, 14507047), (1255, 14160265), (1421, 12506075), (1757, 10114475), (1993, 8916775), (5075, 3501701), (6275, 2832053), (7105, 2501215), (7279, 2441425), (8785, 2022895), (9965, 1783355), (12299, 1444925), (13951, 1273825), (35525, 500243), (36395, 488285), (43925, 404579), (49825, 356671), (50953, 348775), (57797, 307475), (61495, 288985), (69755, 254765), (97657, 181975)]