291205460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^2$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 782990208

約数和(自身を除く): 491784748

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 43, 52, 61, 65, 70, 86, 91, 122, 130, 140, 172, 182, 215, 244, 260, 301, 305, 364, 427, 430, 455, 559, 602, 610, 793, 854, 860, 910, 1118, 1204, 1220, 1505, 1586, 1708, 1820, 2135, 2236, 2623, 2795, 3010, 3172, 3721, 3913, 3965, 4270, 5246, 5551, 5590, 6020, 7442, 7826, 7930, 8540, 10492, 11102, 11180, 13115, 14884, 15652, 15860, 18361, 18605, 19565, 22204, 26047, 26230, 27755, 34099, 36722, 37210, 39130, 48373, 52094, 52460, 55510, 68198, 73444, 74420, 78260, 91805, 96746, 104188, 111020, 130235, 136396, 160003, 170495, 183610, 193492, 238693, 241865, 260470, 320006, 338611, 340990, 367220, 477386, 483730, 520940, 640012, 677222, 681980, 800015, 954772, 967460, 1120021, 1193465, 1354444, 1600030, 1693055, 2080039, 2240042, 2386930, 3200060, 3386110, 4160078, 4480084, 4773860, 5600105, 6772220, 8320156, 10400195, 11200210, 14560273, 20800390, 22400420, 29120546, 41600780, 58241092, 72801365, 145602730, 291205460]

約数ペア:

[(1, 291205460), (2, 145602730), (4, 72801365), (5, 58241092), (7, 41600780), (10, 29120546), (13, 22400420), (14, 20800390), (20, 14560273), (26, 11200210), (28, 10400195), (35, 8320156), (43, 6772220), (52, 5600105), (61, 4773860), (65, 4480084), (70, 4160078), (86, 3386110), (91, 3200060), (122, 2386930), (130, 2240042), (140, 2080039), (172, 1693055), (182, 1600030), (215, 1354444), (244, 1193465), (260, 1120021), (301, 967460), (305, 954772), (364, 800015), (427, 681980), (430, 677222), (455, 640012), (559, 520940), (602, 483730), (610, 477386), (793, 367220), (854, 340990), (860, 338611), (910, 320006), (1118, 260470), (1204, 241865), (1220, 238693), (1505, 193492), (1586, 183610), (1708, 170495), (1820, 160003), (2135, 136396), (2236, 130235), (2623, 111020), (2795, 104188), (3010, 96746), (3172, 91805), (3721, 78260), (3913, 74420), (3965, 73444), (4270, 68198), (5246, 55510), (5551, 52460), (5590, 52094), (6020, 48373), (7442, 39130), (7826, 37210), (7930, 36722), (8540, 34099), (10492, 27755), (11102, 26230), (11180, 26047), (13115, 22204), (14884, 19565), (15652, 18605), (15860, 18361)]