202555990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:218

約数の個数: 128

約数和(自身を含む): 472469760

約数和(自身を除く): 269913770

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 41, 61, 65, 70, 82, 89, 91, 122, 130, 178, 182, 205, 287, 305, 410, 427, 445, 455, 533, 574, 610, 623, 793, 854, 890, 910, 1066, 1157, 1246, 1435, 1586, 2135, 2314, 2501, 2665, 2870, 3115, 3649, 3731, 3965, 4270, 5002, 5330, 5429, 5551, 5785, 6230, 7298, 7462, 7930, 8099, 10858, 11102, 11570, 12505, 16198, 17507, 18245, 18655, 25010, 25543, 27145, 27755, 32513, 35014, 36490, 37310, 38003, 40495, 47437, 51086, 54290, 55510, 65026, 70577, 76006, 80990, 87535, 94874, 127715, 141154, 162565, 175070, 190015, 222589, 227591, 237185, 255430, 325130, 332059, 352885, 380030, 445178, 455182, 474370, 494039, 664118, 705770, 988078, 1112945, 1137955, 1558123, 1660295, 2225890, 2275910, 2470195, 2893657, 3116246, 3320590, 4940390, 5787314, 7790615, 14468285, 15581230, 20255599, 28936570, 40511198, 101277995, 202555990]

約数ペア:

[(1, 202555990), (2, 101277995), (5, 40511198), (7, 28936570), (10, 20255599), (13, 15581230), (14, 14468285), (26, 7790615), (35, 5787314), (41, 4940390), (61, 3320590), (65, 3116246), (70, 2893657), (82, 2470195), (89, 2275910), (91, 2225890), (122, 1660295), (130, 1558123), (178, 1137955), (182, 1112945), (205, 988078), (287, 705770), (305, 664118), (410, 494039), (427, 474370), (445, 455182), (455, 445178), (533, 380030), (574, 352885), (610, 332059), (623, 325130), (793, 255430), (854, 237185), (890, 227591), (910, 222589), (1066, 190015), (1157, 175070), (1246, 162565), (1435, 141154), (1586, 127715), (2135, 94874), (2314, 87535), (2501, 80990), (2665, 76006), (2870, 70577), (3115, 65026), (3649, 55510), (3731, 54290), (3965, 51086), (4270, 47437), (5002, 40495), (5330, 38003), (5429, 37310), (5551, 36490), (5785, 35014), (6230, 32513), (7298, 27755), (7462, 27145), (7930, 25543), (8099, 25010), (10858, 18655), (11102, 18245), (11570, 17507), (12505, 16198)]