717445890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19979}}^1$

素因数の和:20021

約数の個数: 128

約数和(自身を含む): 2301696000

約数和(自身を除く): 1584250110

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 54, 57, 63, 70, 90, 95, 105, 114, 126, 133, 135, 171, 189, 190, 210, 266, 270, 285, 315, 342, 378, 399, 513, 570, 630, 665, 798, 855, 945, 1026, 1197, 1330, 1710, 1890, 1995, 2394, 2565, 3591, 3990, 5130, 5985, 7182, 11970, 17955, 19979, 35910, 39958, 59937, 99895, 119874, 139853, 179811, 199790, 279706, 299685, 359622, 379601, 419559, 539433, 599370, 699265, 759202, 839118, 899055, 1078866, 1138803, 1258677, 1398530, 1798110, 1898005, 2097795, 2277606, 2517354, 2657207, 2697165, 3416409, 3776031, 3796010, 4195590, 5314414, 5394330, 5694015, 6293385, 6832818, 7552062, 7971621, 10249227, 11388030, 12586770, 13286035, 15943242, 17082045, 18880155, 20498454, 23914863, 26572070, 34164090, 37760310, 39858105, 47829726, 51246135, 71744589, 79716210, 102492270, 119574315, 143489178, 239148630, 358722945, 717445890]

約数ペア:

[(1, 717445890), (2, 358722945), (3, 239148630), (5, 143489178), (6, 119574315), (7, 102492270), (9, 79716210), (10, 71744589), (14, 51246135), (15, 47829726), (18, 39858105), (19, 37760310), (21, 34164090), (27, 26572070), (30, 23914863), (35, 20498454), (38, 18880155), (42, 17082045), (45, 15943242), (54, 13286035), (57, 12586770), (63, 11388030), (70, 10249227), (90, 7971621), (95, 7552062), (105, 6832818), (114, 6293385), (126, 5694015), (133, 5394330), (135, 5314414), (171, 4195590), (189, 3796010), (190, 3776031), (210, 3416409), (266, 2697165), (270, 2657207), (285, 2517354), (315, 2277606), (342, 2097795), (378, 1898005), (399, 1798110), (513, 1398530), (570, 1258677), (630, 1138803), (665, 1078866), (798, 899055), (855, 839118), (945, 759202), (1026, 699265), (1197, 599370), (1330, 539433), (1710, 419559), (1890, 379601), (1995, 359622), (2394, 299685), (2565, 279706), (3591, 199790), (3990, 179811), (5130, 139853), (5985, 119874), (7182, 99895), (11970, 59937), (17955, 39958), (19979, 35910)]