28905270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 78016608

約数和(自身を除く): 49111338

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 30, 34, 38, 51, 57, 85, 95, 102, 114, 157, 170, 190, 255, 285, 314, 323, 361, 471, 510, 570, 646, 722, 785, 942, 969, 1083, 1570, 1615, 1805, 1938, 2166, 2355, 2669, 2983, 3230, 3610, 4710, 4845, 5338, 5415, 5966, 6137, 8007, 8949, 9690, 10830, 12274, 13345, 14915, 16014, 17898, 18411, 26690, 29830, 30685, 36822, 40035, 44745, 50711, 56677, 61370, 80070, 89490, 92055, 101422, 113354, 152133, 170031, 184110, 253555, 283385, 304266, 340062, 507110, 566770, 760665, 850155, 963509, 1521330, 1700310, 1927018, 2890527, 4817545, 5781054, 9635090, 14452635, 28905270]

約数ペア:

[(1, 28905270), (2, 14452635), (3, 9635090), (5, 5781054), (6, 4817545), (10, 2890527), (15, 1927018), (17, 1700310), (19, 1521330), (30, 963509), (34, 850155), (38, 760665), (51, 566770), (57, 507110), (85, 340062), (95, 304266), (102, 283385), (114, 253555), (157, 184110), (170, 170031), (190, 152133), (255, 113354), (285, 101422), (314, 92055), (323, 89490), (361, 80070), (471, 61370), (510, 56677), (570, 50711), (646, 44745), (722, 40035), (785, 36822), (942, 30685), (969, 29830), (1083, 26690), (1570, 18411), (1615, 17898), (1805, 16014), (1938, 14915), (2166, 13345), (2355, 12274), (2669, 10830), (2983, 9690), (3230, 8949), (3610, 8007), (4710, 6137), (4845, 5966), (5338, 5415)]