28353100

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 64648640

約数和(自身を除く): 36295540

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 79, 97, 100, 148, 158, 185, 194, 316, 370, 388, 395, 485, 740, 790, 925, 970, 1580, 1850, 1940, 1975, 2425, 2923, 3589, 3700, 3950, 4850, 5846, 7178, 7663, 7900, 9700, 11692, 14356, 14615, 15326, 17945, 29230, 30652, 35890, 38315, 58460, 71780, 73075, 76630, 89725, 146150, 153260, 179450, 191575, 283531, 292300, 358900, 383150, 567062, 766300, 1134124, 1417655, 2835310, 5670620, 7088275, 14176550, 28353100]

約数ペア:

[(1, 28353100), (2, 14176550), (4, 7088275), (5, 5670620), (10, 2835310), (20, 1417655), (25, 1134124), (37, 766300), (50, 567062), (74, 383150), (79, 358900), (97, 292300), (100, 283531), (148, 191575), (158, 179450), (185, 153260), (194, 146150), (316, 89725), (370, 76630), (388, 73075), (395, 71780), (485, 58460), (740, 38315), (790, 35890), (925, 30652), (970, 29230), (1580, 17945), (1850, 15326), (1940, 14615), (1975, 14356), (2425, 11692), (2923, 9700), (3589, 7900), (3700, 7663), (3950, 7178), (4850, 5846)]