208040690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:113

約数の個数: 144

約数和(自身を含む): 481925376

約数和(自身を除く): 273884686

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 26, 31, 38, 55, 62, 65, 95, 110, 130, 143, 155, 169, 190, 209, 247, 286, 310, 338, 341, 361, 403, 418, 494, 589, 682, 715, 722, 806, 845, 1045, 1178, 1235, 1430, 1690, 1705, 1805, 1859, 2015, 2090, 2470, 2717, 2945, 3211, 3410, 3610, 3718, 3971, 4030, 4433, 4693, 5239, 5434, 5890, 6422, 6479, 7657, 7942, 8866, 9295, 9386, 10478, 11191, 12958, 13585, 15314, 16055, 18590, 19855, 22165, 22382, 23465, 26195, 27170, 32110, 32395, 35321, 38285, 39710, 44330, 46930, 51623, 52390, 55955, 57629, 61009, 64790, 70642, 76570, 84227, 99541, 103246, 111910, 115258, 122018, 123101, 145483, 168454, 176605, 199082, 246202, 258115, 288145, 290966, 305045, 353210, 421135, 497705, 516230, 576290, 610090, 615505, 671099, 727415, 842270, 995410, 1094951, 1231010, 1342198, 1454830, 1600313, 1891279, 2189902, 3200626, 3355495, 3782558, 5474755, 6710990, 8001565, 9456395, 10949510, 16003130, 18912790, 20804069, 41608138, 104020345, 208040690]

約数ペア:

[(1, 208040690), (2, 104020345), (5, 41608138), (10, 20804069), (11, 18912790), (13, 16003130), (19, 10949510), (22, 9456395), (26, 8001565), (31, 6710990), (38, 5474755), (55, 3782558), (62, 3355495), (65, 3200626), (95, 2189902), (110, 1891279), (130, 1600313), (143, 1454830), (155, 1342198), (169, 1231010), (190, 1094951), (209, 995410), (247, 842270), (286, 727415), (310, 671099), (338, 615505), (341, 610090), (361, 576290), (403, 516230), (418, 497705), (494, 421135), (589, 353210), (682, 305045), (715, 290966), (722, 288145), (806, 258115), (845, 246202), (1045, 199082), (1178, 176605), (1235, 168454), (1430, 145483), (1690, 123101), (1705, 122018), (1805, 115258), (1859, 111910), (2015, 103246), (2090, 99541), (2470, 84227), (2717, 76570), (2945, 70642), (3211, 64790), (3410, 61009), (3610, 57629), (3718, 55955), (3971, 52390), (4030, 51623), (4433, 46930), (4693, 44330), (5239, 39710), (5434, 38285), (5890, 35321), (6422, 32395), (6479, 32110), (7657, 27170), (7942, 26195), (8866, 23465), (9295, 22382), (9386, 22165), (10478, 19855), (11191, 18590), (12958, 16055), (13585, 15314)]