138728100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2131}}^1$

素因数の和:2186

約数の個数: 144

約数和(自身を含む): 473747456

約数和(自身を除く): 335019356

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 31, 35, 42, 50, 60, 62, 70, 75, 84, 93, 100, 105, 124, 140, 150, 155, 175, 186, 210, 217, 300, 310, 350, 372, 420, 434, 465, 525, 620, 651, 700, 775, 868, 930, 1050, 1085, 1302, 1550, 1860, 2100, 2131, 2170, 2325, 2604, 3100, 3255, 4262, 4340, 4650, 5425, 6393, 6510, 8524, 9300, 10655, 10850, 12786, 13020, 14917, 16275, 21310, 21700, 25572, 29834, 31965, 32550, 42620, 44751, 53275, 59668, 63930, 65100, 66061, 74585, 89502, 106550, 127860, 132122, 149170, 159825, 179004, 198183, 213100, 223755, 264244, 298340, 319650, 330305, 372925, 396366, 447510, 462427, 639300, 660610, 745850, 792732, 895020, 924854, 990915, 1118775, 1321220, 1387281, 1491700, 1651525, 1849708, 1981830, 2237550, 2312135, 2774562, 3303050, 3963660, 4475100, 4624270, 4954575, 5549124, 6606100, 6936405, 9248540, 9909150, 11560675, 13872810, 19818300, 23121350, 27745620, 34682025, 46242700, 69364050, 138728100]

約数ペア:

[(1, 138728100), (2, 69364050), (3, 46242700), (4, 34682025), (5, 27745620), (6, 23121350), (7, 19818300), (10, 13872810), (12, 11560675), (14, 9909150), (15, 9248540), (20, 6936405), (21, 6606100), (25, 5549124), (28, 4954575), (30, 4624270), (31, 4475100), (35, 3963660), (42, 3303050), (50, 2774562), (60, 2312135), (62, 2237550), (70, 1981830), (75, 1849708), (84, 1651525), (93, 1491700), (100, 1387281), (105, 1321220), (124, 1118775), (140, 990915), (150, 924854), (155, 895020), (175, 792732), (186, 745850), (210, 660610), (217, 639300), (300, 462427), (310, 447510), (350, 396366), (372, 372925), (420, 330305), (434, 319650), (465, 298340), (525, 264244), (620, 223755), (651, 213100), (700, 198183), (775, 179004), (868, 159825), (930, 149170), (1050, 132122), (1085, 127860), (1302, 106550), (1550, 89502), (1860, 74585), (2100, 66061), (2131, 65100), (2170, 63930), (2325, 59668), (2604, 53275), (3100, 44751), (3255, 42620), (4262, 32550), (4340, 31965), (4650, 29834), (5425, 25572), (6393, 21700), (6510, 21310), (8524, 16275), (9300, 14917), (10655, 13020), (10850, 12786)]