1818280180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{55673}}^1$

素因数の和:55776

約数の個数: 48

約数和(自身を含む): 4040596224

約数和(自身を除く): 2222316044

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 284, 355, 460, 710, 1420, 1633, 3266, 6532, 8165, 16330, 32660, 55673, 111346, 222692, 278365, 556730, 1113460, 1280479, 2560958, 3952783, 5121916, 6402395, 7905566, 12804790, 15811132, 19763915, 25609580, 39527830, 79055660, 90914009, 181828018, 363656036, 454570045, 909140090, 1818280180]

約数ペア:

[(1, 1818280180), (2, 909140090), (4, 454570045), (5, 363656036), (10, 181828018), (20, 90914009), (23, 79055660), (46, 39527830), (71, 25609580), (92, 19763915), (115, 15811132), (142, 12804790), (230, 7905566), (284, 6402395), (355, 5121916), (460, 3952783), (710, 2560958), (1420, 1280479), (1633, 1113460), (3266, 556730), (6532, 278365), (8165, 222692), (16330, 111346), (32660, 55673)]