28188510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{499}}^1$

素因数の和:785

約数の個数: 64

約数和(自身を含む): 77760000

約数和(自身を除く): 49571490

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 269, 499, 538, 807, 998, 1345, 1497, 1614, 1883, 2495, 2690, 2994, 3493, 3766, 4035, 4990, 5649, 6986, 7485, 8070, 9415, 10479, 11298, 14970, 17465, 18830, 20958, 28245, 34930, 52395, 56490, 104790, 134231, 268462, 402693, 671155, 805386, 939617, 1342310, 1879234, 2013465, 2818851, 4026930, 4698085, 5637702, 9396170, 14094255, 28188510]

約数ペア:

[(1, 28188510), (2, 14094255), (3, 9396170), (5, 5637702), (6, 4698085), (7, 4026930), (10, 2818851), (14, 2013465), (15, 1879234), (21, 1342310), (30, 939617), (35, 805386), (42, 671155), (70, 402693), (105, 268462), (210, 134231), (269, 104790), (499, 56490), (538, 52395), (807, 34930), (998, 28245), (1345, 20958), (1497, 18830), (1614, 17465), (1883, 14970), (2495, 11298), (2690, 10479), (2994, 9415), (3493, 8070), (3766, 7485), (4035, 6986), (4990, 5649)]