221106900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{499}}^1$

素因数の和:734

約数の個数: 144

約数和(自身を含む): 736064000

約数和(自身を除く): 514957100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 211, 300, 350, 420, 422, 499, 525, 633, 700, 844, 998, 1050, 1055, 1266, 1477, 1497, 1996, 2100, 2110, 2495, 2532, 2954, 2994, 3165, 3493, 4220, 4431, 4990, 5275, 5908, 5988, 6330, 6986, 7385, 7485, 8862, 9980, 10479, 10550, 12475, 12660, 13972, 14770, 14970, 15825, 17465, 17724, 20958, 21100, 22155, 24950, 29540, 29940, 31650, 34930, 36925, 37425, 41916, 44310, 49900, 52395, 63300, 69860, 73850, 74850, 87325, 88620, 104790, 105289, 110775, 147700, 149700, 174650, 209580, 210578, 221550, 261975, 315867, 349300, 421156, 443100, 523950, 526445, 631734, 737023, 1047900, 1052890, 1263468, 1474046, 1579335, 2105780, 2211069, 2632225, 2948092, 3158670, 3685115, 4422138, 5264450, 6317340, 7370230, 7896675, 8844276, 10528900, 11055345, 14740460, 15793350, 18425575, 22110690, 31586700, 36851150, 44221380, 55276725, 73702300, 110553450, 221106900]

約数ペア:

[(1, 221106900), (2, 110553450), (3, 73702300), (4, 55276725), (5, 44221380), (6, 36851150), (7, 31586700), (10, 22110690), (12, 18425575), (14, 15793350), (15, 14740460), (20, 11055345), (21, 10528900), (25, 8844276), (28, 7896675), (30, 7370230), (35, 6317340), (42, 5264450), (50, 4422138), (60, 3685115), (70, 3158670), (75, 2948092), (84, 2632225), (100, 2211069), (105, 2105780), (140, 1579335), (150, 1474046), (175, 1263468), (210, 1052890), (211, 1047900), (300, 737023), (350, 631734), (420, 526445), (422, 523950), (499, 443100), (525, 421156), (633, 349300), (700, 315867), (844, 261975), (998, 221550), (1050, 210578), (1055, 209580), (1266, 174650), (1477, 149700), (1497, 147700), (1996, 110775), (2100, 105289), (2110, 104790), (2495, 88620), (2532, 87325), (2954, 74850), (2994, 73850), (3165, 69860), (3493, 63300), (4220, 52395), (4431, 49900), (4990, 44310), (5275, 41916), (5908, 37425), (5988, 36925), (6330, 34930), (6986, 31650), (7385, 29940), (7485, 29540), (8862, 24950), (9980, 22155), (10479, 21100), (10550, 20958), (12475, 17724), (12660, 17465), (13972, 15825), (14770, 14970)]