199020900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{51031}}^1$

素因数の和:51061

約数の個数: 72

約数和(自身を含む): 620140864

約数和(自身を除く): 421119964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 51031, 102062, 153093, 204124, 255155, 306186, 510310, 612372, 663403, 765465, 1020620, 1275775, 1326806, 1530930, 1990209, 2551550, 2653612, 3061860, 3317015, 3827325, 3980418, 5103100, 6634030, 7654650, 7960836, 9951045, 13268060, 15309300, 16585075, 19902090, 33170150, 39804180, 49755225, 66340300, 99510450, 199020900]

約数ペア:

[(1, 199020900), (2, 99510450), (3, 66340300), (4, 49755225), (5, 39804180), (6, 33170150), (10, 19902090), (12, 16585075), (13, 15309300), (15, 13268060), (20, 9951045), (25, 7960836), (26, 7654650), (30, 6634030), (39, 5103100), (50, 3980418), (52, 3827325), (60, 3317015), (65, 3061860), (75, 2653612), (78, 2551550), (100, 1990209), (130, 1530930), (150, 1326806), (156, 1275775), (195, 1020620), (260, 765465), (300, 663403), (325, 612372), (390, 510310), (650, 306186), (780, 255155), (975, 204124), (1300, 153093), (1950, 102062), (3900, 51031)]