28890990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{821}}^1$

素因数の和:874

約数の個数: 96

約数和(自身を含む): 83094336

約数和(自身を除く): 54203346

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 23, 30, 34, 45, 46, 51, 69, 85, 90, 102, 115, 138, 153, 170, 207, 230, 255, 306, 345, 391, 414, 510, 690, 765, 782, 821, 1035, 1173, 1530, 1642, 1955, 2070, 2346, 2463, 3519, 3910, 4105, 4926, 5865, 7038, 7389, 8210, 11730, 12315, 13957, 14778, 17595, 18883, 24630, 27914, 35190, 36945, 37766, 41871, 56649, 69785, 73890, 83742, 94415, 113298, 125613, 139570, 169947, 188830, 209355, 251226, 283245, 321011, 339894, 418710, 566490, 628065, 642022, 849735, 963033, 1256130, 1605055, 1699470, 1926066, 2889099, 3210110, 4815165, 5778198, 9630330, 14445495, 28890990]

約数ペア:

[(1, 28890990), (2, 14445495), (3, 9630330), (5, 5778198), (6, 4815165), (9, 3210110), (10, 2889099), (15, 1926066), (17, 1699470), (18, 1605055), (23, 1256130), (30, 963033), (34, 849735), (45, 642022), (46, 628065), (51, 566490), (69, 418710), (85, 339894), (90, 321011), (102, 283245), (115, 251226), (138, 209355), (153, 188830), (170, 169947), (207, 139570), (230, 125613), (255, 113298), (306, 94415), (345, 83742), (391, 73890), (414, 69785), (510, 56649), (690, 41871), (765, 37766), (782, 36945), (821, 35190), (1035, 27914), (1173, 24630), (1530, 18883), (1642, 17595), (1955, 14778), (2070, 13957), (2346, 12315), (2463, 11730), (3519, 8210), (3910, 7389), (4105, 7038), (4926, 5865)]