210836720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{155027}}^1$

素因数の和:155057

約数の個数: 40

約数和(自身を含む): 519033744

約数和(自身を除く): 308197024

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 155027, 310054, 620108, 775135, 1240216, 1550270, 2480432, 2635459, 3100540, 5270918, 6201080, 10541836, 12402160, 13177295, 21083672, 26354590, 42167344, 52709180, 105418360, 210836720]

約数ペア:

[(1, 210836720), (2, 105418360), (4, 52709180), (5, 42167344), (8, 26354590), (10, 21083672), (16, 13177295), (17, 12402160), (20, 10541836), (34, 6201080), (40, 5270918), (68, 3100540), (80, 2635459), (85, 2480432), (136, 1550270), (170, 1240216), (272, 775135), (340, 620108), (680, 310054), (1360, 155027)]