219137240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 583096320

約数和(自身を除く): 363959080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 73, 140, 142, 146, 151, 280, 284, 292, 302, 355, 365, 497, 511, 568, 584, 604, 710, 730, 755, 994, 1022, 1057, 1208, 1420, 1460, 1510, 1988, 2044, 2114, 2485, 2555, 2840, 2920, 3020, 3976, 4088, 4228, 4970, 5110, 5183, 5285, 6040, 8456, 9940, 10220, 10366, 10570, 10721, 11023, 19880, 20440, 20732, 21140, 21442, 22046, 25915, 36281, 41464, 42280, 42884, 44092, 51830, 53605, 55115, 72562, 75047, 77161, 85768, 88184, 103660, 107210, 110230, 145124, 150094, 154322, 181405, 207320, 214420, 220460, 290248, 300188, 308644, 362810, 375235, 385805, 428840, 440920, 600376, 617288, 725620, 750470, 771610, 782633, 1451240, 1500940, 1543220, 1565266, 3001880, 3086440, 3130532, 3913165, 5478431, 6261064, 7826330, 10956862, 15652660, 21913724, 27392155, 31305320, 43827448, 54784310, 109568620, 219137240]

約数ペア:

[(1, 219137240), (2, 109568620), (4, 54784310), (5, 43827448), (7, 31305320), (8, 27392155), (10, 21913724), (14, 15652660), (20, 10956862), (28, 7826330), (35, 6261064), (40, 5478431), (56, 3913165), (70, 3130532), (71, 3086440), (73, 3001880), (140, 1565266), (142, 1543220), (146, 1500940), (151, 1451240), (280, 782633), (284, 771610), (292, 750470), (302, 725620), (355, 617288), (365, 600376), (497, 440920), (511, 428840), (568, 385805), (584, 375235), (604, 362810), (710, 308644), (730, 300188), (755, 290248), (994, 220460), (1022, 214420), (1057, 207320), (1208, 181405), (1420, 154322), (1460, 150094), (1510, 145124), (1988, 110230), (2044, 107210), (2114, 103660), (2485, 88184), (2555, 85768), (2840, 77161), (2920, 75047), (3020, 72562), (3976, 55115), (4088, 53605), (4228, 51830), (4970, 44092), (5110, 42884), (5183, 42280), (5285, 41464), (6040, 36281), (8456, 25915), (9940, 22046), (10220, 21442), (10366, 21140), (10570, 20732), (10721, 20440), (11023, 19880)]