28390110

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:151

約数の個数: 128

約数和(自身を含む): 82944000

約数和(自身を除く): 54553890

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 49, 62, 70, 89, 93, 98, 105, 147, 155, 178, 186, 210, 217, 245, 267, 294, 310, 343, 434, 445, 465, 490, 534, 623, 651, 686, 735, 890, 930, 1029, 1085, 1246, 1302, 1335, 1470, 1519, 1715, 1869, 2058, 2170, 2670, 2759, 3038, 3115, 3255, 3430, 3738, 4361, 4557, 5145, 5518, 6230, 6510, 7595, 8277, 8722, 9114, 9345, 10290, 10633, 13083, 13795, 15190, 16554, 18690, 19313, 21266, 21805, 22785, 26166, 27590, 30527, 31899, 38626, 41385, 43610, 45570, 53165, 57939, 61054, 63798, 65415, 82770, 91581, 96565, 106330, 115878, 130830, 135191, 152635, 159495, 183162, 193130, 270382, 289695, 305270, 318990, 405573, 457905, 579390, 675955, 811146, 915810, 946337, 1351910, 1892674, 2027865, 2839011, 4055730, 4731685, 5678022, 9463370, 14195055, 28390110]

約数ペア:

[(1, 28390110), (2, 14195055), (3, 9463370), (5, 5678022), (6, 4731685), (7, 4055730), (10, 2839011), (14, 2027865), (15, 1892674), (21, 1351910), (30, 946337), (31, 915810), (35, 811146), (42, 675955), (49, 579390), (62, 457905), (70, 405573), (89, 318990), (93, 305270), (98, 289695), (105, 270382), (147, 193130), (155, 183162), (178, 159495), (186, 152635), (210, 135191), (217, 130830), (245, 115878), (267, 106330), (294, 96565), (310, 91581), (343, 82770), (434, 65415), (445, 63798), (465, 61054), (490, 57939), (534, 53165), (623, 45570), (651, 43610), (686, 41385), (735, 38626), (890, 31899), (930, 30527), (1029, 27590), (1085, 26166), (1246, 22785), (1302, 21805), (1335, 21266), (1470, 19313), (1519, 18690), (1715, 16554), (1869, 15190), (2058, 13795), (2170, 13083), (2670, 10633), (2759, 10290), (3038, 9345), (3115, 9114), (3255, 8722), (3430, 8277), (3738, 7595), (4361, 6510), (4557, 6230), (5145, 5518)]