29998780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{4373}}^1$

素因数の和:4403

約数の個数: 48

約数和(自身を含む): 73483200

約数和(自身を除く): 43484420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 4373, 6860, 8746, 17492, 21865, 30611, 43730, 61222, 87460, 122444, 153055, 214277, 306110, 428554, 612220, 857108, 1071385, 1499939, 2142770, 2999878, 4285540, 5999756, 7499695, 14999390, 29998780]

約数ペア:

[(1, 29998780), (2, 14999390), (4, 7499695), (5, 5999756), (7, 4285540), (10, 2999878), (14, 2142770), (20, 1499939), (28, 1071385), (35, 857108), (49, 612220), (70, 428554), (98, 306110), (140, 214277), (196, 153055), (245, 122444), (343, 87460), (490, 61222), (686, 43730), (980, 30611), (1372, 21865), (1715, 17492), (3430, 8746), (4373, 6860)]