7439380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 17708544

約数和(自身を除く): 10269164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 71, 124, 130, 142, 155, 169, 260, 284, 310, 338, 355, 403, 620, 676, 710, 806, 845, 923, 1420, 1612, 1690, 1846, 2015, 2201, 3380, 3692, 4030, 4402, 4615, 5239, 8060, 8804, 9230, 10478, 11005, 11999, 18460, 20956, 22010, 23998, 26195, 28613, 44020, 47996, 52390, 57226, 59995, 104780, 114452, 119990, 143065, 239980, 286130, 371969, 572260, 743938, 1487876, 1859845, 3719690, 7439380]

約数ペア:

[(1, 7439380), (2, 3719690), (4, 1859845), (5, 1487876), (10, 743938), (13, 572260), (20, 371969), (26, 286130), (31, 239980), (52, 143065), (62, 119990), (65, 114452), (71, 104780), (124, 59995), (130, 57226), (142, 52390), (155, 47996), (169, 44020), (260, 28613), (284, 26195), (310, 23998), (338, 22010), (355, 20956), (403, 18460), (620, 11999), (676, 11005), (710, 10478), (806, 9230), (845, 8804), (923, 8060), (1420, 5239), (1612, 4615), (1690, 4402), (1846, 4030), (2015, 3692), (2201, 3380)]