100828120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 243801360

約数和(自身を除く): 142973240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 61, 62, 86, 122, 124, 155, 172, 215, 244, 248, 305, 310, 344, 430, 488, 610, 620, 860, 961, 1220, 1240, 1333, 1720, 1891, 1922, 2440, 2623, 2666, 3782, 3844, 4805, 5246, 5332, 6665, 7564, 7688, 9455, 9610, 10492, 10664, 13115, 13330, 15128, 18910, 19220, 20984, 26230, 26660, 37820, 38440, 41323, 52460, 53320, 58621, 75640, 81313, 82646, 104920, 117242, 162626, 165292, 206615, 234484, 293105, 325252, 330584, 406565, 413230, 468968, 586210, 650504, 813130, 826460, 1172420, 1626260, 1652920, 2344840, 2520703, 3252520, 5041406, 10082812, 12603515, 20165624, 25207030, 50414060, 100828120]

約数ペア:

[(1, 100828120), (2, 50414060), (4, 25207030), (5, 20165624), (8, 12603515), (10, 10082812), (20, 5041406), (31, 3252520), (40, 2520703), (43, 2344840), (61, 1652920), (62, 1626260), (86, 1172420), (122, 826460), (124, 813130), (155, 650504), (172, 586210), (215, 468968), (244, 413230), (248, 406565), (305, 330584), (310, 325252), (344, 293105), (430, 234484), (488, 206615), (610, 165292), (620, 162626), (860, 117242), (961, 104920), (1220, 82646), (1240, 81313), (1333, 75640), (1720, 58621), (1891, 53320), (1922, 52460), (2440, 41323), (2623, 38440), (2666, 37820), (3782, 26660), (3844, 26230), (4805, 20984), (5246, 19220), (5332, 18910), (6665, 15128), (7564, 13330), (7688, 13115), (9455, 10664), (9610, 10492)]