28845810

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:269

約数の個数: 144

約数和(自身を含む): 90484992

約数和(自身を除く): 61639182

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 49, 62, 63, 70, 90, 93, 98, 105, 126, 147, 155, 186, 210, 211, 217, 245, 279, 294, 310, 315, 422, 434, 441, 465, 490, 558, 630, 633, 651, 735, 882, 930, 1055, 1085, 1266, 1302, 1395, 1470, 1477, 1519, 1899, 1953, 2110, 2170, 2205, 2790, 2954, 3038, 3165, 3255, 3798, 3906, 4410, 4431, 4557, 6330, 6510, 6541, 7385, 7595, 8862, 9114, 9495, 9765, 10339, 13082, 13293, 13671, 14770, 15190, 18990, 19530, 19623, 20678, 22155, 22785, 26586, 27342, 31017, 32705, 39246, 44310, 45570, 45787, 51695, 58869, 62034, 65410, 66465, 68355, 91574, 93051, 98115, 103390, 117738, 132930, 136710, 137361, 155085, 186102, 196230, 228935, 274722, 294345, 310170, 320509, 412083, 457870, 465255, 588690, 641018, 686805, 824166, 930510, 961527, 1373610, 1602545, 1923054, 2060415, 2884581, 3205090, 4120830, 4807635, 5769162, 9615270, 14422905, 28845810]

約数ペア:

[(1, 28845810), (2, 14422905), (3, 9615270), (5, 5769162), (6, 4807635), (7, 4120830), (9, 3205090), (10, 2884581), (14, 2060415), (15, 1923054), (18, 1602545), (21, 1373610), (30, 961527), (31, 930510), (35, 824166), (42, 686805), (45, 641018), (49, 588690), (62, 465255), (63, 457870), (70, 412083), (90, 320509), (93, 310170), (98, 294345), (105, 274722), (126, 228935), (147, 196230), (155, 186102), (186, 155085), (210, 137361), (211, 136710), (217, 132930), (245, 117738), (279, 103390), (294, 98115), (310, 93051), (315, 91574), (422, 68355), (434, 66465), (441, 65410), (465, 62034), (490, 58869), (558, 51695), (630, 45787), (633, 45570), (651, 44310), (735, 39246), (882, 32705), (930, 31017), (1055, 27342), (1085, 26586), (1266, 22785), (1302, 22155), (1395, 20678), (1470, 19623), (1477, 19530), (1519, 18990), (1899, 15190), (1953, 14770), (2110, 13671), (2170, 13293), (2205, 13082), (2790, 10339), (2954, 9765), (3038, 9495), (3165, 9114), (3255, 8862), (3798, 7595), (3906, 7385), (4410, 6541), (4431, 6510), (4557, 6330)]