990640140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{9787}}^1$

素因数の和:10047

約数の個数: 96

約数和(自身を含む): 3183527424

約数和(自身を除く): 2192887284

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, 241, 420, 482, 723, 964, 1205, 1446, 1687, 2410, 2892, 3374, 3615, 4820, 5061, 6748, 7230, 8435, 9787, 10122, 14460, 16870, 19574, 20244, 25305, 29361, 33740, 39148, 48935, 50610, 58722, 68509, 97870, 101220, 117444, 137018, 146805, 195740, 205527, 274036, 293610, 342545, 411054, 587220, 685090, 822108, 1027635, 1370180, 2055270, 2358667, 4110540, 4717334, 7076001, 9434668, 11793335, 14152002, 16510669, 23586670, 28304004, 33021338, 35380005, 47173340, 49532007, 66042676, 70760010, 82553345, 99064014, 141520020, 165106690, 198128028, 247660035, 330213380, 495320070, 990640140]

約数ペア:

[(1, 990640140), (2, 495320070), (3, 330213380), (4, 247660035), (5, 198128028), (6, 165106690), (7, 141520020), (10, 99064014), (12, 82553345), (14, 70760010), (15, 66042676), (20, 49532007), (21, 47173340), (28, 35380005), (30, 33021338), (35, 28304004), (42, 23586670), (60, 16510669), (70, 14152002), (84, 11793335), (105, 9434668), (140, 7076001), (210, 4717334), (241, 4110540), (420, 2358667), (482, 2055270), (723, 1370180), (964, 1027635), (1205, 822108), (1446, 685090), (1687, 587220), (2410, 411054), (2892, 342545), (3374, 293610), (3615, 274036), (4820, 205527), (5061, 195740), (6748, 146805), (7230, 137018), (8435, 117444), (9787, 101220), (10122, 97870), (14460, 68509), (16870, 58722), (19574, 50610), (20244, 48935), (25305, 39148), (29361, 33740)]