291218720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{140009}}^1$

素因数の和:140037

約数の個数: 48

約数和(自身を含む): 740932920

約数和(自身を除く): 449714200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 140009, 280018, 560036, 700045, 1120072, 1400090, 1820117, 2240144, 2800180, 3640234, 4480288, 5600360, 7280468, 9100585, 11200720, 14560936, 18201170, 22401440, 29121872, 36402340, 58243744, 72804680, 145609360, 291218720]

約数ペア:

[(1, 291218720), (2, 145609360), (4, 72804680), (5, 58243744), (8, 36402340), (10, 29121872), (13, 22401440), (16, 18201170), (20, 14560936), (26, 11200720), (32, 9100585), (40, 7280468), (52, 5600360), (65, 4480288), (80, 3640234), (104, 2800180), (130, 2240144), (160, 1820117), (208, 1400090), (260, 1120072), (416, 700045), (520, 560036), (1040, 280018), (2080, 140009)]