2912088620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{739}}^1\times {\mathrm{4021}}^1$

素因数の和:4783

約数の個数: 72

約数和(自身を含む): 7125214320

約数和(自身を除く): 4213125700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 739, 980, 1478, 2956, 3695, 4021, 5173, 7390, 8042, 10346, 14780, 16084, 20105, 20692, 25865, 28147, 36211, 40210, 51730, 56294, 72422, 80420, 103460, 112588, 140735, 144844, 181055, 197029, 281470, 362110, 394058, 562940, 724220, 788116, 985145, 1970290, 2971519, 3940580, 5943038, 11886076, 14857595, 20800633, 29715190, 41601266, 59430380, 83202532, 104003165, 145604431, 208006330, 291208862, 416012660, 582417724, 728022155, 1456044310, 2912088620]

約数ペア:

[(1, 2912088620), (2, 1456044310), (4, 728022155), (5, 582417724), (7, 416012660), (10, 291208862), (14, 208006330), (20, 145604431), (28, 104003165), (35, 83202532), (49, 59430380), (70, 41601266), (98, 29715190), (140, 20800633), (196, 14857595), (245, 11886076), (490, 5943038), (739, 3940580), (980, 2971519), (1478, 1970290), (2956, 985145), (3695, 788116), (4021, 724220), (5173, 562940), (7390, 394058), (8042, 362110), (10346, 281470), (14780, 197029), (16084, 181055), (20105, 144844), (20692, 140735), (25865, 112588), (28147, 103460), (36211, 80420), (40210, 72422), (51730, 56294)]