291215820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{99053}}^1$

素因数の和:99079

約数の個数: 72

約数和(自身を含む): 948541104

約数和(自身を除く): 657325284

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 99053, 198106, 297159, 396212, 495265, 594318, 693371, 990530, 1188636, 1386742, 1485795, 1981060, 2080113, 2773484, 2971590, 3466855, 4160226, 4853597, 5943180, 6933710, 8320452, 9707194, 10400565, 13867420, 14560791, 19414388, 20801130, 24267985, 29121582, 41602260, 48535970, 58243164, 72803955, 97071940, 145607910, 291215820]

約数ペア:

[(1, 291215820), (2, 145607910), (3, 97071940), (4, 72803955), (5, 58243164), (6, 48535970), (7, 41602260), (10, 29121582), (12, 24267985), (14, 20801130), (15, 19414388), (20, 14560791), (21, 13867420), (28, 10400565), (30, 9707194), (35, 8320452), (42, 6933710), (49, 5943180), (60, 4853597), (70, 4160226), (84, 3466855), (98, 2971590), (105, 2773484), (140, 2080113), (147, 1981060), (196, 1485795), (210, 1386742), (245, 1188636), (294, 990530), (420, 693371), (490, 594318), (588, 495265), (735, 396212), (980, 297159), (1470, 198106), (2940, 99053)]