72445100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:472

約数の個数: 144

約数和(自身を含む): 204153600

約数和(自身を除く): 131708500

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 25, 26, 28, 35, 38, 50, 52, 65, 70, 76, 91, 95, 100, 130, 133, 140, 175, 182, 190, 247, 260, 266, 325, 350, 364, 380, 419, 455, 475, 494, 532, 650, 665, 700, 838, 910, 950, 988, 1235, 1300, 1330, 1676, 1729, 1820, 1900, 2095, 2275, 2470, 2660, 2933, 3325, 3458, 4190, 4550, 4940, 5447, 5866, 6175, 6650, 6916, 7961, 8380, 8645, 9100, 10475, 10894, 11732, 12350, 13300, 14665, 15922, 17290, 20950, 21788, 24700, 27235, 29330, 31844, 34580, 38129, 39805, 41900, 43225, 54470, 55727, 58660, 73325, 76258, 79610, 86450, 103493, 108940, 111454, 136175, 146650, 152516, 159220, 172900, 190645, 199025, 206986, 222908, 272350, 278635, 293300, 381290, 398050, 413972, 517465, 544700, 557270, 724451, 762580, 796100, 953225, 1034930, 1114540, 1393175, 1448902, 1906450, 2069860, 2587325, 2786350, 2897804, 3622255, 3812900, 5174650, 5572700, 7244510, 10349300, 14489020, 18111275, 36222550, 72445100]

約数ペア:

[(1, 72445100), (2, 36222550), (4, 18111275), (5, 14489020), (7, 10349300), (10, 7244510), (13, 5572700), (14, 5174650), (19, 3812900), (20, 3622255), (25, 2897804), (26, 2786350), (28, 2587325), (35, 2069860), (38, 1906450), (50, 1448902), (52, 1393175), (65, 1114540), (70, 1034930), (76, 953225), (91, 796100), (95, 762580), (100, 724451), (130, 557270), (133, 544700), (140, 517465), (175, 413972), (182, 398050), (190, 381290), (247, 293300), (260, 278635), (266, 272350), (325, 222908), (350, 206986), (364, 199025), (380, 190645), (419, 172900), (455, 159220), (475, 152516), (494, 146650), (532, 136175), (650, 111454), (665, 108940), (700, 103493), (838, 86450), (910, 79610), (950, 76258), (988, 73325), (1235, 58660), (1300, 55727), (1330, 54470), (1676, 43225), (1729, 41900), (1820, 39805), (1900, 38129), (2095, 34580), (2275, 31844), (2470, 29330), (2660, 27235), (2933, 24700), (3325, 21788), (3458, 20950), (4190, 17290), (4550, 15922), (4940, 14665), (5447, 13300), (5866, 12350), (6175, 11732), (6650, 10894), (6916, 10475), (7961, 9100), (8380, 8645)]