20986690900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1\times {\mathrm{1709}}^1$

素因数の和:2114

約数の個数: 144

約数和(自身を含む): 53220343680

約数和(自身を除く): 32233652780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 53, 70, 100, 106, 140, 175, 212, 265, 331, 350, 371, 530, 662, 700, 742, 1060, 1324, 1325, 1484, 1655, 1709, 1855, 2317, 2650, 3310, 3418, 3710, 4634, 5300, 6620, 6836, 7420, 8275, 8545, 9268, 9275, 11585, 11963, 16550, 17090, 17543, 18550, 23170, 23926, 33100, 34180, 35086, 37100, 42725, 46340, 47852, 57925, 59815, 70172, 85450, 87715, 90577, 115850, 119630, 122801, 170900, 175430, 181154, 231700, 239260, 245602, 299075, 350860, 362308, 438575, 452885, 491204, 565679, 598150, 614005, 634039, 877150, 905770, 1131358, 1196300, 1228010, 1268078, 1754300, 1811540, 2262716, 2264425, 2456020, 2536156, 2828395, 3070025, 3170195, 3959753, 4528850, 5656790, 6140050, 6340390, 7919506, 9057700, 11313580, 12280100, 12680780, 14141975, 15839012, 15850975, 19798765, 28283950, 29980987, 31701950, 39597530, 56567900, 59961974, 63403900, 79195060, 98993825, 119923948, 149904935, 197987650, 209866909, 299809870, 395975300, 419733818, 599619740, 749524675, 839467636, 1049334545, 1499049350, 2098669090, 2998098700, 4197338180, 5246672725, 10493345450, 20986690900]

約数ペア:

[(1, 20986690900), (2, 10493345450), (4, 5246672725), (5, 4197338180), (7, 2998098700), (10, 2098669090), (14, 1499049350), (20, 1049334545), (25, 839467636), (28, 749524675), (35, 599619740), (50, 419733818), (53, 395975300), (70, 299809870), (100, 209866909), (106, 197987650), (140, 149904935), (175, 119923948), (212, 98993825), (265, 79195060), (331, 63403900), (350, 59961974), (371, 56567900), (530, 39597530), (662, 31701950), (700, 29980987), (742, 28283950), (1060, 19798765), (1324, 15850975), (1325, 15839012), (1484, 14141975), (1655, 12680780), (1709, 12280100), (1855, 11313580), (2317, 9057700), (2650, 7919506), (3310, 6340390), (3418, 6140050), (3710, 5656790), (4634, 4528850), (5300, 3959753), (6620, 3170195), (6836, 3070025), (7420, 2828395), (8275, 2536156), (8545, 2456020), (9268, 2264425), (9275, 2262716), (11585, 1811540), (11963, 1754300), (16550, 1268078), (17090, 1228010), (17543, 1196300), (18550, 1131358), (23170, 905770), (23926, 877150), (33100, 634039), (34180, 614005), (35086, 598150), (37100, 565679), (42725, 491204), (46340, 452885), (47852, 438575), (57925, 362308), (59815, 350860), (70172, 299075), (85450, 245602), (87715, 239260), (90577, 231700), (115850, 181154), (119630, 175430), (122801, 170900)]