344705540

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{883}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 735134400

約数和(自身を除く): 390428860

約数列:

[1, 2, 4, 5, 10, 20, 131, 149, 262, 298, 524, 596, 655, 745, 883, 1310, 1490, 1766, 2620, 2980, 3532, 4415, 8830, 17660, 19519, 39038, 78076, 97595, 115673, 131567, 195190, 231346, 263134, 390380, 462692, 526268, 578365, 657835, 1156730, 1315670, 2313460, 2631340, 17235277, 34470554, 68941108, 86176385, 172352770, 344705540]

約数ペア:

[(1, 344705540), (2, 172352770), (4, 86176385), (5, 68941108), (10, 34470554), (20, 17235277), (131, 2631340), (149, 2313460), (262, 1315670), (298, 1156730), (524, 657835), (596, 578365), (655, 526268), (745, 462692), (883, 390380), (1310, 263134), (1490, 231346), (1766, 195190), (2620, 131567), (2980, 115673), (3532, 97595), (4415, 78076), (8830, 39038), (17660, 19519)]