19995150

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:298

約数の個数: 96

約数和(自身を含む): 57496320

約数和(自身を除く): 37501170

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 137, 139, 150, 175, 210, 274, 278, 350, 411, 417, 525, 685, 695, 822, 834, 959, 973, 1050, 1370, 1390, 1918, 1946, 2055, 2085, 2877, 2919, 3425, 3475, 4110, 4170, 4795, 4865, 5754, 5838, 6850, 6950, 9590, 9730, 10275, 10425, 14385, 14595, 19043, 20550, 20850, 23975, 24325, 28770, 29190, 38086, 47950, 48650, 57129, 71925, 72975, 95215, 114258, 133301, 143850, 145950, 190430, 266602, 285645, 399903, 476075, 571290, 666505, 799806, 952150, 1333010, 1428225, 1999515, 2856450, 3332525, 3999030, 6665050, 9997575, 19995150]

約数ペア:

[(1, 19995150), (2, 9997575), (3, 6665050), (5, 3999030), (6, 3332525), (7, 2856450), (10, 1999515), (14, 1428225), (15, 1333010), (21, 952150), (25, 799806), (30, 666505), (35, 571290), (42, 476075), (50, 399903), (70, 285645), (75, 266602), (105, 190430), (137, 145950), (139, 143850), (150, 133301), (175, 114258), (210, 95215), (274, 72975), (278, 71925), (350, 57129), (411, 48650), (417, 47950), (525, 38086), (685, 29190), (695, 28770), (822, 24325), (834, 23975), (959, 20850), (973, 20550), (1050, 19043), (1370, 14595), (1390, 14385), (1918, 10425), (1946, 10275), (2055, 9730), (2085, 9590), (2877, 6950), (2919, 6850), (3425, 5838), (3475, 5754), (4110, 4865), (4170, 4795)]