219347940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1058

約数の個数: 192

約数和(自身を含む): 767950848

約数和(自身を除く): 548602908

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 31, 34, 35, 42, 51, 60, 62, 68, 70, 84, 85, 93, 102, 105, 119, 124, 140, 155, 170, 186, 204, 210, 217, 238, 255, 310, 340, 357, 372, 420, 434, 465, 476, 510, 527, 595, 620, 651, 714, 868, 930, 991, 1020, 1054, 1085, 1190, 1302, 1428, 1581, 1785, 1860, 1982, 2108, 2170, 2380, 2604, 2635, 2973, 3162, 3255, 3570, 3689, 3964, 4340, 4955, 5270, 5946, 6324, 6510, 6937, 7140, 7378, 7905, 9910, 10540, 11067, 11892, 13020, 13874, 14756, 14865, 15810, 16847, 18445, 19820, 20811, 22134, 27748, 29730, 30721, 31620, 33694, 34685, 36890, 41622, 44268, 50541, 55335, 59460, 61442, 67388, 69370, 73780, 83244, 84235, 92163, 101082, 104055, 110670, 117929, 122884, 138740, 153605, 168470, 184326, 202164, 208110, 215047, 221340, 235858, 252705, 307210, 336940, 353787, 368652, 416220, 430094, 460815, 471716, 505410, 522257, 589645, 614420, 645141, 707574, 860188, 921630, 1010820, 1044514, 1075235, 1179290, 1290282, 1415148, 1566771, 1768935, 1843260, 2089028, 2150470, 2358580, 2580564, 2611285, 3133542, 3225705, 3537870, 3655799, 4300940, 5222570, 6267084, 6451410, 7075740, 7311598, 7833855, 10445140, 10967397, 12902820, 14623196, 15667710, 18278995, 21934794, 31335420, 36557990, 43869588, 54836985, 73115980, 109673970, 219347940]

約数ペア:

[(1, 219347940), (2, 109673970), (3, 73115980), (4, 54836985), (5, 43869588), (6, 36557990), (7, 31335420), (10, 21934794), (12, 18278995), (14, 15667710), (15, 14623196), (17, 12902820), (20, 10967397), (21, 10445140), (28, 7833855), (30, 7311598), (31, 7075740), (34, 6451410), (35, 6267084), (42, 5222570), (51, 4300940), (60, 3655799), (62, 3537870), (68, 3225705), (70, 3133542), (84, 2611285), (85, 2580564), (93, 2358580), (102, 2150470), (105, 2089028), (119, 1843260), (124, 1768935), (140, 1566771), (155, 1415148), (170, 1290282), (186, 1179290), (204, 1075235), (210, 1044514), (217, 1010820), (238, 921630), (255, 860188), (310, 707574), (340, 645141), (357, 614420), (372, 589645), (420, 522257), (434, 505410), (465, 471716), (476, 460815), (510, 430094), (527, 416220), (595, 368652), (620, 353787), (651, 336940), (714, 307210), (868, 252705), (930, 235858), (991, 221340), (1020, 215047), (1054, 208110), (1085, 202164), (1190, 184326), (1302, 168470), (1428, 153605), (1581, 138740), (1785, 122884), (1860, 117929), (1982, 110670), (2108, 104055), (2170, 101082), (2380, 92163), (2604, 84235), (2635, 83244), (2973, 73780), (3162, 69370), (3255, 67388), (3570, 61442), (3689, 59460), (3964, 55335), (4340, 50541), (4955, 44268), (5270, 41622), (5946, 36890), (6324, 34685), (6510, 33694), (6937, 31620), (7140, 30721), (7378, 29730), (7905, 27748), (9910, 22134), (10540, 20811), (11067, 19820), (11892, 18445), (13020, 16847), (13874, 15810), (14756, 14865)]