85982260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:450

約数の個数: 144

約数和(自身を含む): 240108624

約数和(自身を除く): 154126364

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 49, 52, 65, 68, 70, 85, 91, 98, 119, 130, 140, 170, 182, 196, 221, 238, 245, 260, 340, 364, 397, 442, 455, 476, 490, 595, 637, 794, 833, 884, 910, 980, 1105, 1190, 1274, 1547, 1588, 1666, 1820, 1985, 2210, 2380, 2548, 2779, 3094, 3185, 3332, 3970, 4165, 4420, 5161, 5558, 6188, 6370, 6749, 7735, 7940, 8330, 10322, 10829, 11116, 12740, 13498, 13895, 15470, 16660, 19453, 20644, 21658, 25805, 26996, 27790, 30940, 33745, 36127, 38906, 43316, 47243, 51610, 54145, 55580, 67490, 72254, 77812, 87737, 94486, 97265, 103220, 108290, 134980, 144508, 175474, 180635, 188972, 194530, 216580, 236215, 252889, 330701, 350948, 361270, 389060, 438685, 472430, 505778, 614159, 661402, 722540, 877370, 944860, 1011556, 1228318, 1264445, 1322804, 1653505, 1754740, 2456636, 2528890, 3070795, 3307010, 4299113, 5057780, 6141590, 6614020, 8598226, 12283180, 17196452, 21495565, 42991130, 85982260]

約数ペア:

[(1, 85982260), (2, 42991130), (4, 21495565), (5, 17196452), (7, 12283180), (10, 8598226), (13, 6614020), (14, 6141590), (17, 5057780), (20, 4299113), (26, 3307010), (28, 3070795), (34, 2528890), (35, 2456636), (49, 1754740), (52, 1653505), (65, 1322804), (68, 1264445), (70, 1228318), (85, 1011556), (91, 944860), (98, 877370), (119, 722540), (130, 661402), (140, 614159), (170, 505778), (182, 472430), (196, 438685), (221, 389060), (238, 361270), (245, 350948), (260, 330701), (340, 252889), (364, 236215), (397, 216580), (442, 194530), (455, 188972), (476, 180635), (490, 175474), (595, 144508), (637, 134980), (794, 108290), (833, 103220), (884, 97265), (910, 94486), (980, 87737), (1105, 77812), (1190, 72254), (1274, 67490), (1547, 55580), (1588, 54145), (1666, 51610), (1820, 47243), (1985, 43316), (2210, 38906), (2380, 36127), (2548, 33745), (2779, 30940), (3094, 27790), (3185, 26996), (3332, 25805), (3970, 21658), (4165, 20644), (4420, 19453), (5161, 16660), (5558, 15470), (6188, 13895), (6370, 13498), (6749, 12740), (7735, 11116), (7940, 10829), (8330, 10322)]