2783102980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1877}}^1$

素因数の和:2006

約数の個数: 144

約数和(自身を含む): 7283409840

約数和(自身を除く): 4500306860

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 89, 98, 119, 140, 170, 178, 196, 238, 245, 340, 356, 445, 476, 490, 595, 623, 833, 890, 980, 1190, 1246, 1513, 1666, 1780, 1877, 2380, 2492, 3026, 3115, 3332, 3754, 4165, 4361, 6052, 6230, 7508, 7565, 8330, 8722, 9385, 10591, 12460, 13139, 15130, 16660, 17444, 18770, 21182, 21805, 26278, 30260, 31909, 37540, 42364, 43610, 52556, 52955, 63818, 65695, 74137, 87220, 91973, 105910, 127636, 131390, 148274, 159545, 167053, 183946, 211820, 223363, 262780, 296548, 319090, 334106, 367892, 370685, 446726, 459865, 638180, 668212, 741370, 835265, 893452, 919730, 1116815, 1169371, 1482740, 1563541, 1670530, 1839460, 2233630, 2338742, 2839901, 3127082, 3341060, 4467260, 4677484, 5679802, 5846855, 6254164, 7817705, 8185597, 11359604, 11693710, 14199505, 15635410, 16371194, 19879307, 23387420, 28399010, 31270820, 32742388, 39758614, 40927985, 56798020, 79517228, 81855970, 99396535, 139155149, 163711940, 198793070, 278310298, 397586140, 556620596, 695775745, 1391551490, 2783102980]

約数ペア:

[(1, 2783102980), (2, 1391551490), (4, 695775745), (5, 556620596), (7, 397586140), (10, 278310298), (14, 198793070), (17, 163711940), (20, 139155149), (28, 99396535), (34, 81855970), (35, 79517228), (49, 56798020), (68, 40927985), (70, 39758614), (85, 32742388), (89, 31270820), (98, 28399010), (119, 23387420), (140, 19879307), (170, 16371194), (178, 15635410), (196, 14199505), (238, 11693710), (245, 11359604), (340, 8185597), (356, 7817705), (445, 6254164), (476, 5846855), (490, 5679802), (595, 4677484), (623, 4467260), (833, 3341060), (890, 3127082), (980, 2839901), (1190, 2338742), (1246, 2233630), (1513, 1839460), (1666, 1670530), (1780, 1563541), (1877, 1482740), (2380, 1169371), (2492, 1116815), (3026, 919730), (3115, 893452), (3332, 835265), (3754, 741370), (4165, 668212), (4361, 638180), (6052, 459865), (6230, 446726), (7508, 370685), (7565, 367892), (8330, 334106), (8722, 319090), (9385, 296548), (10591, 262780), (12460, 223363), (13139, 211820), (15130, 183946), (16660, 167053), (17444, 159545), (18770, 148274), (21182, 131390), (21805, 127636), (26278, 105910), (30260, 91973), (31909, 87220), (37540, 74137), (42364, 65695), (43610, 63818), (52556, 52955)]