19355000

素因数分解:

$2^3\times 5^4\times 7^2\times {\mathrm{79}}^1$

素因数の和:119

約数の個数: 120

約数和(自身を含む): 53420400

約数和(自身を除く): 34065400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 79, 98, 100, 125, 140, 158, 175, 196, 200, 245, 250, 280, 316, 350, 392, 395, 490, 500, 553, 625, 632, 700, 790, 875, 980, 1000, 1106, 1225, 1250, 1400, 1580, 1750, 1960, 1975, 2212, 2450, 2500, 2765, 3160, 3500, 3871, 3950, 4375, 4424, 4900, 5000, 5530, 6125, 7000, 7742, 7900, 8750, 9800, 9875, 11060, 12250, 13825, 15484, 15800, 17500, 19355, 19750, 22120, 24500, 27650, 30625, 30968, 35000, 38710, 39500, 49000, 49375, 55300, 61250, 69125, 77420, 79000, 96775, 98750, 110600, 122500, 138250, 154840, 193550, 197500, 245000, 276500, 345625, 387100, 395000, 483875, 553000, 691250, 774200, 967750, 1382500, 1935500, 2419375, 2765000, 3871000, 4838750, 9677500, 19355000]

約数ペア:

[(1, 19355000), (2, 9677500), (4, 4838750), (5, 3871000), (7, 2765000), (8, 2419375), (10, 1935500), (14, 1382500), (20, 967750), (25, 774200), (28, 691250), (35, 553000), (40, 483875), (49, 395000), (50, 387100), (56, 345625), (70, 276500), (79, 245000), (98, 197500), (100, 193550), (125, 154840), (140, 138250), (158, 122500), (175, 110600), (196, 98750), (200, 96775), (245, 79000), (250, 77420), (280, 69125), (316, 61250), (350, 55300), (392, 49375), (395, 49000), (490, 39500), (500, 38710), (553, 35000), (625, 30968), (632, 30625), (700, 27650), (790, 24500), (875, 22120), (980, 19750), (1000, 19355), (1106, 17500), (1225, 15800), (1250, 15484), (1400, 13825), (1580, 12250), (1750, 11060), (1960, 9875), (1975, 9800), (2212, 8750), (2450, 7900), (2500, 7742), (2765, 7000), (3160, 6125), (3500, 5530), (3871, 5000), (3950, 4900), (4375, 4424)]