2019921400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{3709}}^1$

素因数の和:4121

約数の個数: 96

約数和(自身を含む): 5382468000

約数和(自身を除く): 3362546600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 389, 700, 778, 1400, 1556, 1945, 2723, 3112, 3709, 3890, 5446, 7418, 7780, 9725, 10892, 13615, 14836, 15560, 18545, 19450, 21784, 25963, 27230, 29672, 37090, 38900, 51926, 54460, 68075, 74180, 77800, 92725, 103852, 108920, 129815, 136150, 148360, 185450, 207704, 259630, 272300, 370900, 519260, 544600, 649075, 741800, 1038520, 1298150, 1442801, 2596300, 2885602, 5192600, 5771204, 7214005, 10099607, 11542408, 14428010, 20199214, 28856020, 36070025, 40398428, 50498035, 57712040, 72140050, 80796856, 100996070, 144280100, 201992140, 252490175, 288560200, 403984280, 504980350, 1009960700, 2019921400]

約数ペア:

[(1, 2019921400), (2, 1009960700), (4, 504980350), (5, 403984280), (7, 288560200), (8, 252490175), (10, 201992140), (14, 144280100), (20, 100996070), (25, 80796856), (28, 72140050), (35, 57712040), (40, 50498035), (50, 40398428), (56, 36070025), (70, 28856020), (100, 20199214), (140, 14428010), (175, 11542408), (200, 10099607), (280, 7214005), (350, 5771204), (389, 5192600), (700, 2885602), (778, 2596300), (1400, 1442801), (1556, 1298150), (1945, 1038520), (2723, 741800), (3112, 649075), (3709, 544600), (3890, 519260), (5446, 370900), (7418, 272300), (7780, 259630), (9725, 207704), (10892, 185450), (13615, 148360), (14836, 136150), (15560, 129815), (18545, 108920), (19450, 103852), (21784, 92725), (25963, 77800), (27230, 74180), (29672, 68075), (37090, 54460), (38900, 51926)]