231864980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{3527}}^1$

素因数の和:3728

約数の個数: 48

約数和(自身を含む): 515652480

約数和(自身を除く): 283787500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 173, 190, 346, 380, 692, 865, 1730, 3287, 3460, 3527, 6574, 7054, 13148, 14108, 16435, 17635, 32870, 35270, 65740, 67013, 70540, 134026, 268052, 335065, 610171, 670130, 1220342, 1340260, 2440684, 3050855, 6101710, 11593249, 12203420, 23186498, 46372996, 57966245, 115932490, 231864980]

約数ペア:

[(1, 231864980), (2, 115932490), (4, 57966245), (5, 46372996), (10, 23186498), (19, 12203420), (20, 11593249), (38, 6101710), (76, 3050855), (95, 2440684), (173, 1340260), (190, 1220342), (346, 670130), (380, 610171), (692, 335065), (865, 268052), (1730, 134026), (3287, 70540), (3460, 67013), (3527, 65740), (6574, 35270), (7054, 32870), (13148, 17635), (14108, 16435)]