87458420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 221695488

約数和(自身を除く): 134237068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 157, 161, 173, 230, 314, 322, 346, 460, 628, 644, 692, 785, 805, 865, 1099, 1211, 1570, 1610, 1730, 2198, 2422, 3140, 3220, 3460, 3611, 3979, 4396, 4844, 5495, 6055, 7222, 7958, 10990, 12110, 14444, 15916, 18055, 19895, 21980, 24220, 25277, 27161, 27853, 36110, 39790, 50554, 54322, 55706, 72220, 79580, 101108, 108644, 111412, 126385, 135805, 139265, 190127, 252770, 271610, 278530, 380254, 505540, 543220, 557060, 624703, 760508, 950635, 1249406, 1901270, 2498812, 3123515, 3802540, 4372921, 6247030, 8745842, 12494060, 17491684, 21864605, 43729210, 87458420]

約数ペア:

[(1, 87458420), (2, 43729210), (4, 21864605), (5, 17491684), (7, 12494060), (10, 8745842), (14, 6247030), (20, 4372921), (23, 3802540), (28, 3123515), (35, 2498812), (46, 1901270), (70, 1249406), (92, 950635), (115, 760508), (140, 624703), (157, 557060), (161, 543220), (173, 505540), (230, 380254), (314, 278530), (322, 271610), (346, 252770), (460, 190127), (628, 139265), (644, 135805), (692, 126385), (785, 111412), (805, 108644), (865, 101108), (1099, 79580), (1211, 72220), (1570, 55706), (1610, 54322), (1730, 50554), (2198, 39790), (2422, 36110), (3140, 27853), (3220, 27161), (3460, 25277), (3611, 24220), (3979, 21980), (4396, 19895), (4844, 18055), (5495, 15916), (6055, 14444), (7222, 12110), (7958, 10990)]