42840700

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{1249}}^1$

素因数の和:1284

約数の個数: 72

約数和(自身を含む): 108500000

約数和(自身を除く): 65659300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 343, 350, 490, 686, 700, 980, 1225, 1249, 1372, 1715, 2450, 2498, 3430, 4900, 4996, 6245, 6860, 8575, 8743, 12490, 17150, 17486, 24980, 31225, 34300, 34972, 43715, 61201, 62450, 87430, 122402, 124900, 174860, 218575, 244804, 306005, 428407, 437150, 612010, 856814, 874300, 1224020, 1530025, 1713628, 2142035, 3060050, 4284070, 6120100, 8568140, 10710175, 21420350, 42840700]

約数ペア:

[(1, 42840700), (2, 21420350), (4, 10710175), (5, 8568140), (7, 6120100), (10, 4284070), (14, 3060050), (20, 2142035), (25, 1713628), (28, 1530025), (35, 1224020), (49, 874300), (50, 856814), (70, 612010), (98, 437150), (100, 428407), (140, 306005), (175, 244804), (196, 218575), (245, 174860), (343, 124900), (350, 122402), (490, 87430), (686, 62450), (700, 61201), (980, 43715), (1225, 34972), (1249, 34300), (1372, 31225), (1715, 24980), (2450, 17486), (2498, 17150), (3430, 12490), (4900, 8743), (4996, 8575), (6245, 6860)]