2018806180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:557

約数の個数: 96

約数和(自身を含む): 4476745728

約数和(自身を除く): 2457939548

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 101, 103, 124, 155, 202, 206, 310, 313, 404, 412, 505, 515, 620, 626, 1010, 1030, 1252, 1565, 2020, 2060, 3130, 3131, 3193, 6260, 6262, 6386, 9703, 10403, 12524, 12772, 15655, 15965, 19406, 20806, 31310, 31613, 31930, 32239, 38812, 41612, 48515, 52015, 62620, 63226, 63860, 64478, 97030, 104030, 126452, 128956, 158065, 161195, 194060, 208060, 316130, 322390, 322493, 632260, 644780, 644986, 980003, 999409, 1289972, 1612465, 1960006, 1998818, 3224930, 3256139, 3920012, 3997636, 4900015, 4997045, 6449860, 6512278, 9800030, 9994090, 13024556, 16280695, 19600060, 19988180, 32561390, 65122780, 100940309, 201880618, 403761236, 504701545, 1009403090, 2018806180]

約数ペア:

[(1, 2018806180), (2, 1009403090), (4, 504701545), (5, 403761236), (10, 201880618), (20, 100940309), (31, 65122780), (62, 32561390), (101, 19988180), (103, 19600060), (124, 16280695), (155, 13024556), (202, 9994090), (206, 9800030), (310, 6512278), (313, 6449860), (404, 4997045), (412, 4900015), (505, 3997636), (515, 3920012), (620, 3256139), (626, 3224930), (1010, 1998818), (1030, 1960006), (1252, 1612465), (1565, 1289972), (2020, 999409), (2060, 980003), (3130, 644986), (3131, 644780), (3193, 632260), (6260, 322493), (6262, 322390), (6386, 316130), (9703, 208060), (10403, 194060), (12524, 161195), (12772, 158065), (15655, 128956), (15965, 126452), (19406, 104030), (20806, 97030), (31310, 64478), (31613, 63860), (31930, 63226), (32239, 62620), (38812, 52015), (41612, 48515)]