450587420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{1553}}^1$

素因数の和:1814

約数の個数: 48

約数和(自身を含む): 963355680

約数和(自身を除く): 512768260

約数列:

[1, 2, 4, 5, 10, 20, 89, 163, 178, 326, 356, 445, 652, 815, 890, 1553, 1630, 1780, 3106, 3260, 6212, 7765, 14507, 15530, 29014, 31060, 58028, 72535, 138217, 145070, 253139, 276434, 290140, 506278, 552868, 691085, 1012556, 1265695, 1382170, 2531390, 2764340, 5062780, 22529371, 45058742, 90117484, 112646855, 225293710, 450587420]

約数ペア:

[(1, 450587420), (2, 225293710), (4, 112646855), (5, 90117484), (10, 45058742), (20, 22529371), (89, 5062780), (163, 2764340), (178, 2531390), (326, 1382170), (356, 1265695), (445, 1012556), (652, 691085), (815, 552868), (890, 506278), (1553, 290140), (1630, 276434), (1780, 253139), (3106, 145070), (3260, 138217), (6212, 72535), (7765, 58028), (14507, 31060), (15530, 29014)]