437878220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:387

約数の個数: 96

約数和(自身を含む): 1016064000

約数和(自身を除く): 578185780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 127, 130, 149, 178, 254, 260, 298, 356, 445, 508, 596, 635, 745, 890, 1157, 1270, 1490, 1651, 1780, 1937, 2314, 2540, 2980, 3302, 3874, 4628, 5785, 6604, 7748, 8255, 9685, 11303, 11570, 13261, 16510, 18923, 19370, 22606, 23140, 26522, 33020, 37846, 38740, 45212, 53044, 56515, 66305, 75692, 94615, 113030, 132610, 146939, 172393, 189230, 226060, 245999, 265220, 293878, 344786, 378460, 491998, 587756, 689572, 734695, 861965, 983996, 1229995, 1469390, 1684147, 1723930, 2459990, 2938780, 3368294, 3447860, 4919980, 6736588, 8420735, 16841470, 21893911, 33682940, 43787822, 87575644, 109469555, 218939110, 437878220]

約数ペア:

[(1, 437878220), (2, 218939110), (4, 109469555), (5, 87575644), (10, 43787822), (13, 33682940), (20, 21893911), (26, 16841470), (52, 8420735), (65, 6736588), (89, 4919980), (127, 3447860), (130, 3368294), (149, 2938780), (178, 2459990), (254, 1723930), (260, 1684147), (298, 1469390), (356, 1229995), (445, 983996), (508, 861965), (596, 734695), (635, 689572), (745, 587756), (890, 491998), (1157, 378460), (1270, 344786), (1490, 293878), (1651, 265220), (1780, 245999), (1937, 226060), (2314, 189230), (2540, 172393), (2980, 146939), (3302, 132610), (3874, 113030), (4628, 94615), (5785, 75692), (6604, 66305), (7748, 56515), (8255, 53044), (9685, 45212), (11303, 38740), (11570, 37846), (13261, 33020), (16510, 26522), (18923, 23140), (19370, 22606)]