1390409580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{7541}}^1$

素因数の和:7999

約数の個数: 96

約数和(自身を含む): 4460037120

約数和(自身を除く): 3069627540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 439, 878, 1317, 1756, 2195, 2634, 3073, 4390, 5268, 6146, 6585, 7541, 8780, 9219, 12292, 13170, 15082, 15365, 18438, 22623, 26340, 30164, 30730, 36876, 37705, 45246, 46095, 52787, 61460, 75410, 90492, 92190, 105574, 113115, 150820, 158361, 184380, 211148, 226230, 263935, 316722, 452460, 527870, 633444, 791805, 1055740, 1583610, 3167220, 3310499, 6620998, 9931497, 13241996, 16552495, 19862994, 23173493, 33104990, 39725988, 46346986, 49657485, 66209980, 69520479, 92693972, 99314970, 115867465, 139040958, 198629940, 231734930, 278081916, 347602395, 463469860, 695204790, 1390409580]

約数ペア:

[(1, 1390409580), (2, 695204790), (3, 463469860), (4, 347602395), (5, 278081916), (6, 231734930), (7, 198629940), (10, 139040958), (12, 115867465), (14, 99314970), (15, 92693972), (20, 69520479), (21, 66209980), (28, 49657485), (30, 46346986), (35, 39725988), (42, 33104990), (60, 23173493), (70, 19862994), (84, 16552495), (105, 13241996), (140, 9931497), (210, 6620998), (420, 3310499), (439, 3167220), (878, 1583610), (1317, 1055740), (1756, 791805), (2195, 633444), (2634, 527870), (3073, 452460), (4390, 316722), (5268, 263935), (6146, 226230), (6585, 211148), (7541, 184380), (8780, 158361), (9219, 150820), (12292, 113115), (13170, 105574), (15082, 92190), (15365, 90492), (18438, 75410), (22623, 61460), (26340, 52787), (30164, 46095), (30730, 45246), (36876, 37705)]