2195014780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{319973}}^1$

素因数の和:320003

約数の個数: 48

約数和(自身を含む): 5375563200

約数和(自身を除く): 3180548420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 319973, 639946, 1279892, 1599865, 2239811, 3199730, 4479622, 6399460, 8959244, 11199055, 15678677, 22398110, 31357354, 44796220, 62714708, 78393385, 109750739, 156786770, 219501478, 313573540, 439002956, 548753695, 1097507390, 2195014780]

約数ペア:

[(1, 2195014780), (2, 1097507390), (4, 548753695), (5, 439002956), (7, 313573540), (10, 219501478), (14, 156786770), (20, 109750739), (28, 78393385), (35, 62714708), (49, 44796220), (70, 31357354), (98, 22398110), (140, 15678677), (196, 11199055), (245, 8959244), (343, 6399460), (490, 4479622), (686, 3199730), (980, 2239811), (1372, 1599865), (1715, 1279892), (3430, 639946), (6860, 319973)]