1997100

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{317}}^1$

素因数の和:344

約数の個数: 108

約数和(自身を含む): 7176624

約数和(自身を除く): 5179524

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 225, 252, 300, 315, 317, 350, 420, 450, 525, 630, 634, 700, 900, 951, 1050, 1260, 1268, 1575, 1585, 1902, 2100, 2219, 2853, 3150, 3170, 3804, 4438, 4755, 5706, 6300, 6340, 6657, 7925, 8876, 9510, 11095, 11412, 13314, 14265, 15850, 19020, 19971, 22190, 23775, 26628, 28530, 31700, 33285, 39942, 44380, 47550, 55475, 57060, 66570, 71325, 79884, 95100, 99855, 110950, 133140, 142650, 166425, 199710, 221900, 285300, 332850, 399420, 499275, 665700, 998550, 1997100]

約数ペア:

[(1, 1997100), (2, 998550), (3, 665700), (4, 499275), (5, 399420), (6, 332850), (7, 285300), (9, 221900), (10, 199710), (12, 166425), (14, 142650), (15, 133140), (18, 110950), (20, 99855), (21, 95100), (25, 79884), (28, 71325), (30, 66570), (35, 57060), (36, 55475), (42, 47550), (45, 44380), (50, 39942), (60, 33285), (63, 31700), (70, 28530), (75, 26628), (84, 23775), (90, 22190), (100, 19971), (105, 19020), (126, 15850), (140, 14265), (150, 13314), (175, 11412), (180, 11095), (210, 9510), (225, 8876), (252, 7925), (300, 6657), (315, 6340), (317, 6300), (350, 5706), (420, 4755), (450, 4438), (525, 3804), (630, 3170), (634, 3150), (700, 2853), (900, 2219), (951, 2100), (1050, 1902), (1260, 1585), (1268, 1575)]