218604860

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1\times {\mathrm{761}}^1$

素因数の和:1094

約数の個数: 48

約数和(自身を含む): 470074752

約数和(自身を除く): 251469892

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 271, 530, 542, 761, 1060, 1084, 1355, 1522, 2710, 3044, 3805, 5420, 7610, 14363, 15220, 28726, 40333, 57452, 71815, 80666, 143630, 161332, 201665, 206231, 287260, 403330, 412462, 806660, 824924, 1031155, 2062310, 4124620, 10930243, 21860486, 43720972, 54651215, 109302430, 218604860]

約数ペア:

[(1, 218604860), (2, 109302430), (4, 54651215), (5, 43720972), (10, 21860486), (20, 10930243), (53, 4124620), (106, 2062310), (212, 1031155), (265, 824924), (271, 806660), (530, 412462), (542, 403330), (761, 287260), (1060, 206231), (1084, 201665), (1355, 161332), (1522, 143630), (2710, 80666), (3044, 71815), (3805, 57452), (5420, 40333), (7610, 28726), (14363, 15220)]