1981700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 5208000

約数和(自身を除く): 3226300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 149, 175, 190, 266, 298, 350, 380, 475, 532, 596, 665, 700, 745, 950, 1043, 1330, 1490, 1900, 2086, 2660, 2831, 2980, 3325, 3725, 4172, 5215, 5662, 6650, 7450, 10430, 11324, 13300, 14155, 14900, 19817, 20860, 26075, 28310, 39634, 52150, 56620, 70775, 79268, 99085, 104300, 141550, 198170, 283100, 396340, 495425, 990850, 1981700]

約数ペア:

[(1, 1981700), (2, 990850), (4, 495425), (5, 396340), (7, 283100), (10, 198170), (14, 141550), (19, 104300), (20, 99085), (25, 79268), (28, 70775), (35, 56620), (38, 52150), (50, 39634), (70, 28310), (76, 26075), (95, 20860), (100, 19817), (133, 14900), (140, 14155), (149, 13300), (175, 11324), (190, 10430), (266, 7450), (298, 6650), (350, 5662), (380, 5215), (475, 4172), (532, 3725), (596, 3325), (665, 2980), (700, 2831), (745, 2660), (950, 2086), (1043, 1900), (1330, 1490)]