78456700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:404

約数の個数: 144

約数和(自身を含む): 217486080

約数和(自身を除く): 139029380

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 25, 28, 34, 35, 38, 50, 68, 70, 76, 85, 95, 100, 119, 133, 140, 170, 175, 190, 238, 266, 323, 340, 347, 350, 380, 425, 475, 476, 532, 595, 646, 665, 694, 700, 850, 950, 1190, 1292, 1330, 1388, 1615, 1700, 1735, 1900, 2261, 2380, 2429, 2660, 2975, 3230, 3325, 3470, 4522, 4858, 5899, 5950, 6460, 6593, 6650, 6940, 8075, 8675, 9044, 9716, 11305, 11798, 11900, 12145, 13186, 13300, 16150, 17350, 22610, 23596, 24290, 26372, 29495, 32300, 32965, 34700, 41293, 45220, 46151, 48580, 56525, 58990, 60725, 65930, 82586, 92302, 112081, 113050, 117980, 121450, 131860, 147475, 164825, 165172, 184604, 206465, 224162, 226100, 230755, 242900, 294950, 329650, 412930, 448324, 461510, 560405, 589900, 659300, 784567, 825860, 923020, 1032325, 1120810, 1153775, 1569134, 2064650, 2241620, 2307550, 2802025, 3138268, 3922835, 4129300, 4615100, 5604050, 7845670, 11208100, 15691340, 19614175, 39228350, 78456700]

約数ペア:

[(1, 78456700), (2, 39228350), (4, 19614175), (5, 15691340), (7, 11208100), (10, 7845670), (14, 5604050), (17, 4615100), (19, 4129300), (20, 3922835), (25, 3138268), (28, 2802025), (34, 2307550), (35, 2241620), (38, 2064650), (50, 1569134), (68, 1153775), (70, 1120810), (76, 1032325), (85, 923020), (95, 825860), (100, 784567), (119, 659300), (133, 589900), (140, 560405), (170, 461510), (175, 448324), (190, 412930), (238, 329650), (266, 294950), (323, 242900), (340, 230755), (347, 226100), (350, 224162), (380, 206465), (425, 184604), (475, 165172), (476, 164825), (532, 147475), (595, 131860), (646, 121450), (665, 117980), (694, 113050), (700, 112081), (850, 92302), (950, 82586), (1190, 65930), (1292, 60725), (1330, 58990), (1388, 56525), (1615, 48580), (1700, 46151), (1735, 45220), (1900, 41293), (2261, 34700), (2380, 32965), (2429, 32300), (2660, 29495), (2975, 26372), (3230, 24290), (3325, 23596), (3470, 22610), (4522, 17350), (4858, 16150), (5899, 13300), (5950, 13186), (6460, 12145), (6593, 11900), (6650, 11798), (6940, 11305), (8075, 9716), (8675, 9044)]