28959420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{191}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 98316288

約数和(自身を除く): 69356868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 191, 210, 228, 266, 285, 361, 380, 382, 399, 420, 532, 570, 573, 665, 722, 764, 798, 955, 1083, 1140, 1146, 1330, 1337, 1444, 1596, 1805, 1910, 1995, 2166, 2292, 2527, 2660, 2674, 2865, 3610, 3629, 3820, 3990, 4011, 4332, 5054, 5348, 5415, 5730, 6685, 7220, 7258, 7581, 7980, 8022, 10108, 10830, 10887, 11460, 12635, 13370, 14516, 15162, 16044, 18145, 20055, 21660, 21774, 25270, 25403, 26740, 30324, 36290, 37905, 40110, 43548, 50540, 50806, 54435, 68951, 72580, 75810, 76209, 80220, 101612, 108870, 127015, 137902, 151620, 152418, 206853, 217740, 254030, 275804, 304836, 344755, 381045, 413706, 482657, 508060, 689510, 762090, 827412, 965314, 1034265, 1379020, 1447971, 1524180, 1930628, 2068530, 2413285, 2895942, 4137060, 4826570, 5791884, 7239855, 9653140, 14479710, 28959420]

約数ペア:

[(1, 28959420), (2, 14479710), (3, 9653140), (4, 7239855), (5, 5791884), (6, 4826570), (7, 4137060), (10, 2895942), (12, 2413285), (14, 2068530), (15, 1930628), (19, 1524180), (20, 1447971), (21, 1379020), (28, 1034265), (30, 965314), (35, 827412), (38, 762090), (42, 689510), (57, 508060), (60, 482657), (70, 413706), (76, 381045), (84, 344755), (95, 304836), (105, 275804), (114, 254030), (133, 217740), (140, 206853), (190, 152418), (191, 151620), (210, 137902), (228, 127015), (266, 108870), (285, 101612), (361, 80220), (380, 76209), (382, 75810), (399, 72580), (420, 68951), (532, 54435), (570, 50806), (573, 50540), (665, 43548), (722, 40110), (764, 37905), (798, 36290), (955, 30324), (1083, 26740), (1140, 25403), (1146, 25270), (1330, 21774), (1337, 21660), (1444, 20055), (1596, 18145), (1805, 16044), (1910, 15162), (1995, 14516), (2166, 13370), (2292, 12635), (2527, 11460), (2660, 10887), (2674, 10830), (2865, 10108), (3610, 8022), (3629, 7980), (3820, 7581), (3990, 7258), (4011, 7220), (4332, 6685), (5054, 5730), (5348, 5415)]