1396752420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{7507}}^1$

素因数の和:7969

約数の個数: 96

約数和(自身を含む): 4480293888

約数和(自身を除く): 3083541468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 443, 886, 1329, 1772, 2215, 2658, 3101, 4430, 5316, 6202, 6645, 7507, 8860, 9303, 12404, 13290, 15014, 15505, 18606, 22521, 26580, 30028, 31010, 37212, 37535, 45042, 46515, 52549, 62020, 75070, 90084, 93030, 105098, 112605, 150140, 157647, 186060, 210196, 225210, 262745, 315294, 450420, 525490, 630588, 788235, 1050980, 1576470, 3152940, 3325601, 6651202, 9976803, 13302404, 16628005, 19953606, 23279207, 33256010, 39907212, 46558414, 49884015, 66512020, 69837621, 93116828, 99768030, 116396035, 139675242, 199536060, 232792070, 279350484, 349188105, 465584140, 698376210, 1396752420]

約数ペア:

[(1, 1396752420), (2, 698376210), (3, 465584140), (4, 349188105), (5, 279350484), (6, 232792070), (7, 199536060), (10, 139675242), (12, 116396035), (14, 99768030), (15, 93116828), (20, 69837621), (21, 66512020), (28, 49884015), (30, 46558414), (35, 39907212), (42, 33256010), (60, 23279207), (70, 19953606), (84, 16628005), (105, 13302404), (140, 9976803), (210, 6651202), (420, 3325601), (443, 3152940), (886, 1576470), (1329, 1050980), (1772, 788235), (2215, 630588), (2658, 525490), (3101, 450420), (4430, 315294), (5316, 262745), (6202, 225210), (6645, 210196), (7507, 186060), (8860, 157647), (9303, 150140), (12404, 112605), (13290, 105098), (15014, 93030), (15505, 90084), (18606, 75070), (22521, 62020), (26580, 52549), (30028, 46515), (31010, 45042), (37212, 37535)]