215096980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 532465920

約数和(自身を除く): 317368940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 89, 122, 140, 178, 244, 283, 305, 356, 427, 445, 566, 610, 623, 854, 890, 1132, 1220, 1246, 1415, 1708, 1780, 1981, 2135, 2492, 2830, 3115, 3962, 4270, 5429, 5660, 6230, 7924, 8540, 9905, 10858, 12460, 17263, 19810, 21716, 25187, 27145, 34526, 38003, 39620, 50374, 54290, 69052, 76006, 86315, 100748, 108580, 120841, 125935, 152012, 172630, 176309, 190015, 241682, 251870, 345260, 352618, 380030, 483364, 503740, 604205, 705236, 760060, 881545, 1208410, 1536407, 1763090, 2416820, 3072814, 3526180, 6145628, 7682035, 10754849, 15364070, 21509698, 30728140, 43019396, 53774245, 107548490, 215096980]

約数ペア:

[(1, 215096980), (2, 107548490), (4, 53774245), (5, 43019396), (7, 30728140), (10, 21509698), (14, 15364070), (20, 10754849), (28, 7682035), (35, 6145628), (61, 3526180), (70, 3072814), (89, 2416820), (122, 1763090), (140, 1536407), (178, 1208410), (244, 881545), (283, 760060), (305, 705236), (356, 604205), (427, 503740), (445, 483364), (566, 380030), (610, 352618), (623, 345260), (854, 251870), (890, 241682), (1132, 190015), (1220, 176309), (1246, 172630), (1415, 152012), (1708, 125935), (1780, 120841), (1981, 108580), (2135, 100748), (2492, 86315), (2830, 76006), (3115, 69052), (3962, 54290), (4270, 50374), (5429, 39620), (5660, 38003), (6230, 34526), (7924, 27145), (8540, 25187), (9905, 21716), (10858, 19810), (12460, 17263)]